Let's divide 20399952 by 28
We're looking to find how many times 28 goes into 20399952.

Going ahead to step 1:
28 can be fit into 2 0 times, resulting in a remainder of 2.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Deduct 0 from 2 and we're left with 2.
Grab the next digit (0) from the dividend, add it to 2, then carry on: 20 / 28

On to step 2:
The number 28 fits into 20 0 times, leaving a remainder of 20.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Subtract 0 from 20 to get 20.
Fetch the next digit (3) from the dividend, attach it to 20 and continue: 203 / 28

Going ahead to step 3:
The number 28 fits into 203 7 times, leaving a remainder of 7.
Write down 7 as next digit of the result. 
Result so far: 7.0
If we take 196 away from 203, we end up with 7.
Grab the next digit (9) from the dividend, add it to 7, then carry on: 79 / 28

Moving on to step 4:
79 divided by 28 is 2 with a remainder of 23.
Put 2 as the next digit of the answer. 
Result so far: 72.0
Deduct 56 from 79 and we're left with 23.
Append the next digit (9) from the dividend to 23 and continue with: 239 / 28

Advancing to step 5:
The number 28 fits into 239 8 times, leaving a remainder of 15.
Use 8 as the next digit of our solution. 
Result so far: 728.0
If we take 224 away from 239, we end up with 15.
Append the next digit (9) from the dividend to 15 and continue with: 159 / 28

Advancing to step 6:
28 goes into 159 5 times with a remainder of 19.
Use 5 as the next digit of our solution. 
Result so far: 7285.0
Subtract 140 from 159 to get 19.
Bring next digit (5) of the dividend behind the 19 and repeat the process: 195 / 28

Let's proceed to step 7:
195 divided by 28 is 6 with a remainder of 27.
The next digit of our result is 6. 
Result so far: 72856.0
Subtracting 168 from 195 leaves us with 27.
Take the next digit (2) from the dividend and append it to 27, then repeat: 272 / 28

Step 8:
The number 28 fits into 272 9 times, leaving a remainder of 20.
Use 9 as the next digit of our solution. 
Result so far: 728569.0
Subtract 252 from 272 to get 20.
Since there are no more digits in the dividend, we add a zero to the remainder making it 200, and continue the process.

On to step 9:
The number 28 fits into 200 7 times, leaving a remainder of 4.
Write down 7 as next digit of the result. 
Result so far: 728569.7
If we take 196 away from 200, we end up with 4.
Since there are no more digits in the dividend, we add a zero to the remainder making it 40, and continue the process.

On to step 10:
28 can be fit into 40 1 times, resulting in a remainder of 12.
Write down 1 as next digit of the result. 
Result so far: 728569.71
Deduct 28 from 40 and we're left with 12.
Since there are no more digits in the dividend, we add a zero to the remainder making it 120, and continue the process.

Advancing to step 11:
120 divided by 28 is 4 with a remainder of 8.
Record the quotient 4 as the next digit in the result. 
Result so far: 728569.714
Subtracting 112 from 120 leaves us with 8.
Since there are no more digits in the dividend, we add a zero to the remainder making it 80, and continue the process.

Moving on to step 12:
If we divide 80 by 28, we get 2 and a remainder of 24.
The number 2 becomes the next digit in our result. 
Result so far: 728569.7142
Deduct 56 from 80 and we're left with 24.
Since there are no more digits in the dividend, we add a zero to the remainder making it 240, and continue the process.

Step 13:
240 divided by 28 is 8 with a remainder of 16.
Record the quotient 8 as the next digit in the result. 
Result so far: 728569.71428
Subtracting 224 from 240 leaves us with 16.
Since there are no more digits in the dividend, we add a zero to the remainder making it 160, and continue the process.

Let's proceed to step 14:
28 can be fit into 160 5 times, resulting in a remainder of 20.
Record the quotient 5 as the next digit in the result. 
Result so far: 728569.714285
If we subtract 140 from 160, we get 20.
Since there are no more digits in the dividend, we add a zero to the remainder making it 200, and continue the process.

Step 15:
28 goes into 200 7 times with a remainder of 4.
Write down 7 as next digit of the result. 
Result so far: 728569.7142857
Subtract 196 from 200 to get 4.
Since there are no more digits in the dividend, we add a zero to the remainder making it 40, and continue the process.

Let's proceed to step 16:
When dividing 40 by 28, we get 1 with a remainder of 12.
Put 1 as the next digit of the answer. 
Result so far: 728569.71428571
The remainder is 12 after subtracting 28 from 40.
Since there are no more digits in the dividend, we add a zero to the remainder making it 120, and continue the process.

After the division, we end up with 728569.71428571 and a remainder of 1.2e-08.