We're dividing 580073 by 20 
We're looking to find how many times 20 goes into 580073.

Advancing to step 1:
If we divide 5 by 20, we get 0 and a remainder of 5.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we take 0 away from 5, we end up with 5.
Take the next digit (8) from the dividend and append it to 5, then repeat: 58 / 20

Moving on to step 2:
20 goes into 58 2 times with a remainder of 18.
Use 2 as the next digit of our solution. 
Result so far: 2.0
Subtract 40 from 58 to get 18.
Include the next digit (0) from the dividend after 18, then repeat: 180 / 20

Let's proceed to step 3:
If we divide 180 by 20, we get 9 and a remainder of 0.
Put 9 as the next digit of the answer. 
Result so far: 29.0
If we subtract 180 from 180, we get 0.
Grab the next digit (0) from the dividend, add it to 0, then carry on: 0 / 20

Advancing to step 4:
When dividing 0 by 20, we get 0 with a remainder of 0.
Write down 0 as next digit of the result. 
Result so far: 290.0
If we subtract 0 from 0, we get 0.
Fetch the next digit (7) from the dividend, attach it to 0 and continue: 7 / 20

Moving on to step 5:
When dividing 7 by 20, we get 0 with a remainder of 7.
Write down 0 as next digit of the result. 
Result so far: 2900.0
If we take 0 away from 7, we end up with 7.
Take the next digit (3) from the dividend and append it to 7, then repeat: 73 / 20

Moving on to step 6:
The number 20 fits into 73 3 times, leaving a remainder of 13.
The number 3 becomes the next digit in our result. 
Result so far: 29003.0
Subtract 60 from 73 to get 13.
Since there are no more digits in the dividend, we add a zero to the remainder making it 130, and continue the process.

Step 7:
20 goes into 130 6 times with a remainder of 10.
Write down 6 as next digit of the result. 
Result so far: 29003.6
If we take 120 away from 130, we end up 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.

Moving on to step 8:
When dividing 100 by 20, we get 5 with a remainder of 0.
Put 5 as the next digit of the answer. 
Result so far: 29003.65
Subtract 100 from 100 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.

On to step 9:
20 can be fit into 0 0 times, resulting in a remainder of 0.
Put 0 as the next digit of the answer. 
Result so far: 29003.65
If we take 0 away from 0, 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 10:
0 divided by 20 is 0 with a remainder of 0.
The next digit of our result is 0. 
Result so far: 29003.65
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.

The final outcome is 29003.65, with a leftover of 0.0.