Divisor 20555

To determine if any number is divisible by 20555, you must apply 2 tests successively. If all of them 'pass' - that is, if your number is divisible by 5 and 4111 - then it is divisible by 20555.

The following tests must pass:

• Test if a number is divisible by 5
• The "Connor Schleicher Test" for Divisibility by 4111

Easy!