We're dividing 806873 by 20 
We want to figure out the number of times 806873 can be divided by 20.

Advancing to step 1:
The number 20 fits into 8 0 times, leaving a remainder of 8.
Write down 0 as next digit of the result. 
Result so far: 0.0
Subtract 0 from 8 to get 8.
Fetch the next digit (0) from the dividend, attach it to 8 and continue: 80 / 20

Going ahead to step 2:
80 divided by 20 is 4 with a remainder of 0.
The next digit of our result is 4. 
Result so far: 4.0
The remainder is 0 after subtracting 80 from 80.
Grab the next digit (6) from the dividend, add it to 0, then carry on: 6 / 20

Going ahead to step 3:
20 goes into 6 0 times with a remainder of 6.
Record the quotient 0 as the next digit in the result. 
Result so far: 40.0
If we take 0 away from 6, we end up with 6.
Grab the next digit (8) from the dividend, add it to 6, then carry on: 68 / 20

Advancing to step 4:
20 can be fit into 68 3 times, resulting in a remainder of 8.
Use 3 as the next digit of our solution. 
Result so far: 403.0
Subtract 60 from 68 to get 8.
Append the next digit (7) from the dividend to 8 and continue with: 87 / 20

On to step 5:
20 can be fit into 87 4 times, resulting in a remainder of 7.
Put 4 as the next digit of the answer. 
Result so far: 4034.0
The remainder is 7 after subtracting 80 from 87.
Bring next digit (3) of the dividend behind the 7 and repeat the process: 73 / 20

Advancing to step 6:
If we divide 73 by 20, we get 3 and a remainder of 13.
The number 3 becomes the next digit in our result. 
Result so far: 40343.0
Deduct 60 from 73 and we're left with 13.
Since there are no more digits in the dividend, we add a zero to the remainder making it 130, and continue the process.

Going ahead to step 7:
When dividing 130 by 20, we get 6 with a remainder of 10.
Use 6 as the next digit of our solution. 
Result so far: 40343.6
Deduct 120 from 130 and we're left with 10.
Since there are no more digits in the dividend, we add a zero to the remainder making it 100, and continue the process.

Advancing to step 8:
20 can be fit into 100 5 times, resulting in a remainder of 0.
Write down 5 as next digit of the result. 
Result so far: 40343.65
If we take 100 away from 100, we end up with 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Let's proceed to step 9:
20 can be fit into 0 0 times, resulting in a remainder of 0.
Write down 0 as next digit of the result. 
Result so far: 40343.65
Subtracting 0 from 0 leaves us with 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Moving on to step 10:
When dividing 0 by 20, we get 0 with a remainder of 0.
The number 0 becomes the next digit in our result. 
Result so far: 40343.65
Subtract 0 from 0 to get 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

The final outcome is 40343.65, with a leftover of 0.0.