We look at the division of 820839 by 1 
Our goal is to divide 820839 by 1.

Step 1:
1 goes into 8 8 times with a remainder of 0.
The number 8 becomes the next digit in our result. 
Result so far: 8.0
Subtract 8 from 8 to get 0.
Bring next digit (2) of the dividend behind the 0 and repeat the process: 2 / 1

Let's proceed to step 2:
If we divide 2 by 1, we get 2 and a remainder of 0.
Record the quotient 2 as the next digit in the result. 
Result so far: 82.0
If we subtract 2 from 2, we get 0.
Grab the next digit (0) from the dividend, add it to 0, then carry on: 0 / 1

Step 3:
When dividing 0 by 1, we get 0 with a remainder of 0.
Put 0 as the next digit of the answer. 
Result so far: 820.0
If we subtract 0 from 0, we get 0.
Grab the next digit (8) from the dividend, add it to 0, then carry on: 8 / 1

Going ahead to step 4:
When dividing 8 by 1, we get 8 with a remainder of 0.
Record the quotient 8 as the next digit in the result. 
Result so far: 8208.0
If we take 8 away from 8, we end up with 0.
Take the next digit (3) from the dividend and append it to 0, then repeat: 3 / 1

Going ahead to step 5:
If we divide 3 by 1, we get 3 and a remainder of 0.
Use 3 as the next digit of our solution. 
Result so far: 82083.0
Subtract 3 from 3 to get 0.
Take the next digit (9) from the dividend and append it to 0, then repeat: 9 / 1

On to step 6:
If we divide 9 by 1, we get 9 and a remainder of 0.
Put 9 as the next digit of the answer. 
Result so far: 820839.0
Deduct 9 from 9 and we're left 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.

Step 7:
When dividing 0 by 1, we get 0 with a remainder of 0.
Put 0 as the next digit of the answer. 
Result so far: 820839.0
Deduct 0 from 0 and we're left 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.

Step 8:
0 divided by 1 is 0 with a remainder of 0.
Use 0 as the next digit of our solution. 
Result so far: 820839.0
The remainder is 0 after subtracting 0 from 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 820839.0, with a leftover of 0.0.