20394131 ÷ 64 
The aim is to understand the frequency of 64 in 20394131.

On to step 1:
If we divide 2 by 64, we get 0 and a remainder of 2.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
The remainder is 2 after subtracting 0 from 2.
Take the next digit (0) from the dividend and append it to 2, then repeat: 20 / 64

Going ahead to step 2:
If we divide 20 by 64, we get 0 and a remainder of 20.
Write down 0 as next digit of the result. 
Result so far: 0.0
If we take 0 away from 20, we end up with 20.
Include the next digit (3) from the dividend after 20, then repeat: 203 / 64

Step 3:
64 can be fit into 203 3 times, resulting in a remainder of 11.
Use 3 as the next digit of our solution. 
Result so far: 3.0
Subtracting 192 from 203 leaves us with 11.
Bring next digit (9) of the dividend behind the 11 and repeat the process: 119 / 64

On to step 4:
64 can be fit into 119 1 times, resulting in a remainder of 55.
Record the quotient 1 as the next digit in the result. 
Result so far: 31.0
The remainder is 55 after subtracting 64 from 119.
Include the next digit (4) from the dividend after 55, then repeat: 554 / 64

Moving on to step 5:
The number 64 fits into 554 8 times, leaving a remainder of 42.
The next digit of our result is 8. 
Result so far: 318.0
Deduct 512 from 554 and we're left with 42.
Include the next digit (1) from the dividend after 42, then repeat: 421 / 64

On to step 6:
421 divided by 64 is 6 with a remainder of 37.
Use 6 as the next digit of our solution. 
Result so far: 3186.0
Deduct 384 from 421 and we're left with 37.
Bring next digit (3) of the dividend behind the 37 and repeat the process: 373 / 64

Step 7:
When dividing 373 by 64, we get 5 with a remainder of 53.
The next digit of our result is 5. 
Result so far: 31865.0
Subtracting 320 from 373 leaves us with 53.
Append the next digit (1) from the dividend to 53 and continue with: 531 / 64

On to step 8:
The number 64 fits into 531 8 times, leaving a remainder of 19.
Record the quotient 8 as the next digit in the result. 
Result so far: 318658.0
If we subtract 512 from 531, we get 19.
Since there are no more digits in the dividend, we add a zero to the remainder making it 190, and continue the process.

Moving on to step 9:
If we divide 190 by 64, we get 2 and a remainder of 62.
Put 2 as the next digit of the answer. 
Result so far: 318658.2
Subtract 128 from 190 to get 62.
Since there are no more digits in the dividend, we add a zero to the remainder making it 620, and continue the process.

Step 10:
The number 64 fits into 620 9 times, leaving a remainder of 44.
Put 9 as the next digit of the answer. 
Result so far: 318658.29
Subtracting 576 from 620 leaves us with 44.
Since there are no more digits in the dividend, we add a zero to the remainder making it 440, and continue the process.

Going ahead to step 11:
440 divided by 64 is 6 with a remainder of 56.
Record the quotient 6 as the next digit in the result. 
Result so far: 318658.296
Subtracting 384 from 440 leaves us with 56.
Since there are no more digits in the dividend, we add a zero to the remainder making it 560, and continue the process.

Moving on to step 12:
When dividing 560 by 64, we get 8 with a remainder of 48.
The number 8 becomes the next digit in our result. 
Result so far: 318658.2968
The remainder is 48 after subtracting 512 from 560.
Since there are no more digits in the dividend, we add a zero to the remainder making it 480, and continue the process.

Going ahead to step 13:
If we divide 480 by 64, we get 7 and a remainder of 32.
Use 7 as the next digit of our solution. 
Result so far: 318658.29687
The remainder is 32 after subtracting 448 from 480.
Since there are no more digits in the dividend, we add a zero to the remainder making it 320, and continue the process.

Step 14:
320 divided by 64 is 5 with a remainder of 0.
The next digit of our result is 5. 
Result so far: 318658.296875
Subtract 320 from 320 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 15:
The number 64 fits into 0 0 times, leaving a remainder of 0.
The number 0 becomes the next digit in our result. 
Result so far: 318658.296875
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 16:
0 divided by 64 is 0 with a remainder of 0.
The next digit of our result is 0. 
Result so far: 318658.296875
If we subtract 0 from 0, we 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.

In conclusion, the division gives 318658.296875 with a balance of 0.0.