20580551 divided by 668 
We want to divide 20580551 by 668.

On to step 1:
668 can be fit into 2 0 times, resulting in a remainder of 2.
The next digit of our result is 0. 
Result so far: 0.0
If we take 0 away from 2, we end up with 2.
Grab the next digit (0) from the dividend, add it to 2, then carry on: 20 / 668

Step 2:
If we divide 20 by 668, we get 0 and a remainder of 20.
The next digit of our result is 0. 
Result so far: 0.0
The remainder is 20 after subtracting 0 from 20.
Grab the next digit (5) from the dividend, add it to 20, then carry on: 205 / 668

Going ahead to step 3:
668 goes into 205 0 times with a remainder of 205.
Write down 0 as next digit of the result. 
Result so far: 0.0
Subtract 0 from 205 to get 205.
Bring next digit (8) of the dividend behind the 205 and repeat the process: 2058 / 668

On to step 4:
2058 divided by 668 is 3 with a remainder of 54.
The number 3 becomes the next digit in our result. 
Result so far: 3.0
Subtract 2004 from 2058 to get 54.
Bring next digit (0) of the dividend behind the 54 and repeat the process: 540 / 668

Let's proceed to step 5:
668 can be fit into 540 0 times, resulting in a remainder of 540.
Use 0 as the next digit of our solution. 
Result so far: 30.0
Subtract 0 from 540 to get 540.
Append the next digit (5) from the dividend to 540 and continue with: 5405 / 668

Step 6:
The number 668 fits into 5405 8 times, leaving a remainder of 61.
Write down 8 as next digit of the result. 
Result so far: 308.0
Subtracting 5344 from 5405 leaves us with 61.
Append the next digit (5) from the dividend to 61 and continue with: 615 / 668

Going ahead to step 7:
668 goes into 615 0 times with a remainder of 615.
The next digit of our result is 0. 
Result so far: 3080.0
If we take 0 away from 615, we end up with 615.
Bring next digit (1) of the dividend behind the 615 and repeat the process: 6151 / 668

Step 8:
6151 divided by 668 is 9 with a remainder of 139.
The next digit of our result is 9. 
Result so far: 30809.0
If we take 6012 away from 6151, we end up with 139.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1390, and continue the process.

Moving on to step 9:
The number 668 fits into 1390 2 times, leaving a remainder of 54.
The next digit of our result is 2. 
Result so far: 30809.2
If we subtract 1336 from 1390, we get 54.
Since there are no more digits in the dividend, we add a zero to the remainder making it 540, and continue the process.

Step 10:
668 goes into 540 0 times with a remainder of 540.
Put 0 as the next digit of the answer. 
Result so far: 30809.2
Deduct 0 from 540 and we're left with 540.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5400, and continue the process.

Advancing to step 11:
5400 divided by 668 is 8 with a remainder of 56.
Write down 8 as next digit of the result. 
Result so far: 30809.208
If we subtract 5344 from 5400, we get 56.
Since there are no more digits in the dividend, we add a zero to the remainder making it 560, and continue the process.

Step 12:
The number 668 fits into 560 0 times, leaving a remainder of 560.
Put 0 as the next digit of the answer. 
Result so far: 30809.208
Deduct 0 from 560 and we're left with 560.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5600, and continue the process.

On to step 13:
668 can be fit into 5600 8 times, resulting in a remainder of 256.
Record the quotient 8 as the next digit in the result. 
Result so far: 30809.20808
Subtract 5344 from 5600 to get 256.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2560, and continue the process.

On to step 14:
When dividing 2560 by 668, we get 3 with a remainder of 556.
Use 3 as the next digit of our solution. 
Result so far: 30809.208083
Subtract 2004 from 2560 to get 556.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5560, and continue the process.

Step 15:
668 can be fit into 5560 8 times, resulting in a remainder of 216.
The number 8 becomes the next digit in our result. 
Result so far: 30809.2080838
Subtract 5344 from 5560 to get 216.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2160, and continue the process.

Moving on to step 16:
If we divide 2160 by 668, we get 3 and a remainder of 156.
Put 3 as the next digit of the answer. 
Result so far: 30809.20808383
Subtracting 2004 from 2160 leaves us with 156.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1560, and continue the process.

Our division results in 30809.20808383 with a remaining 1.56e-07.