396588 ÷ 20 
Let's see how many times 20 fits into 396588.

Going ahead to step 1:
When dividing 3 by 20, we get 0 with a remainder of 3.
Put 0 as the next digit of the answer. 
Result so far: 0.0
The remainder is 3 after subtracting 0 from 3.
Bring next digit (9) of the dividend behind the 3 and repeat the process: 39 / 20

Moving on to step 2:
20 goes into 39 1 times with a remainder of 19.
Write down 1 as next digit of the result. 
Result so far: 1.0
Deduct 20 from 39 and we're left with 19.
Fetch the next digit (6) from the dividend, attach it to 19 and continue: 196 / 20

Let's proceed to step 3:
196 divided by 20 is 9 with a remainder of 16.
Use 9 as the next digit of our solution. 
Result so far: 19.0
If we take 180 away from 196, we end up with 16.
Take the next digit (5) from the dividend and append it to 16, then repeat: 165 / 20

Moving on to step 4:
When dividing 165 by 20, we get 8 with a remainder of 5.
Write down 8 as next digit of the result. 
Result so far: 198.0
Subtract 160 from 165 to get 5.
Fetch the next digit (8) from the dividend, attach it to 5 and continue: 58 / 20

Going ahead to step 5:
20 can be fit into 58 2 times, resulting in a remainder of 18.
Record the quotient 2 as the next digit in the result. 
Result so far: 1982.0
Subtracting 40 from 58 leaves us with 18.
Include the next digit (8) from the dividend after 18, then repeat: 188 / 20

Going ahead to step 6:
20 goes into 188 9 times with a remainder of 8.
The number 9 becomes the next digit in our result. 
Result so far: 19829.0
Deduct 180 from 188 and we're left 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.

Advancing to step 7:
80 divided by 20 is 4 with a remainder of 0.
Put 4 as the next digit of the answer. 
Result so far: 19829.4
Subtract 80 from 80 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.

Let's proceed to step 8:
20 can be fit into 0 0 times, resulting in a remainder of 0.
Use 0 as the next digit of our solution. 
Result so far: 19829.4
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.

Moving on to step 9:
If we divide 0 by 20, we get 0 and a remainder of 0.
The next digit of our result is 0. 
Result so far: 19829.4
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.

The quotient of the division is 19829.4, and the remainder is 0.0.