We look at the division of 606311 by 20 
The aim is to understand the frequency of 20 in 606311.

Step 1:
When dividing 6 by 20, we get 0 with a remainder of 6.
Use 0 as the next digit of our solution. 
Result so far: 0.0
If we take 0 away from 6, we end up with 6.
Include the next digit (0) from the dividend after 6, then repeat: 60 / 20

Step 2:
The number 20 fits into 60 3 times, leaving a remainder of 0.
Record the quotient 3 as the next digit in the result. 
Result so far: 3.0
Subtracting 60 from 60 leaves us with 0.
Take the next digit (6) from the dividend and append it to 0, then repeat: 6 / 20

Going ahead to step 3:
6 divided by 20 is 0 with a remainder of 6.
Write down 0 as next digit of the result. 
Result so far: 30.0
Subtracting 0 from 6 leaves us with 6.
Fetch the next digit (3) from the dividend, attach it to 6 and continue: 63 / 20

On to step 4:
63 divided by 20 is 3 with a remainder of 3.
The next digit of our result is 3. 
Result so far: 303.0
Deduct 60 from 63 and we're left with 3.
Take the next digit (1) from the dividend and append it to 3, then repeat: 31 / 20

On to step 5:
20 can be fit into 31 1 times, resulting in a remainder of 11.
The next digit of our result is 1. 
Result so far: 3031.0
The remainder is 11 after subtracting 20 from 31.
Grab the next digit (1) from the dividend, add it to 11, then carry on: 111 / 20

On to step 6:
The number 20 fits into 111 5 times, leaving a remainder of 11.
Write down 5 as next digit of the result. 
Result so far: 30315.0
Deduct 100 from 111 and we're left with 11.
Since there are no more digits in the dividend, we add a zero to the remainder making it 110, and continue the process.

On to step 7:
The number 20 fits into 110 5 times, leaving a remainder of 10.
Record the quotient 5 as the next digit in the result. 
Result so far: 30315.5
Subtract 100 from 110 to get 10.
Since there are no more digits in the dividend, we add a zero to the remainder making it 100, and continue the process.

Let's proceed to step 8:
100 divided by 20 is 5 with a remainder of 0.
Write down 5 as next digit of the result. 
Result so far: 30315.55
Deduct 100 from 100 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.

In conclusion, the division gives 30315.55 with a balance of 0.0.