Divisor 20499

To determine if any number is divisible by 20499, you must apply 2 tests successively. If all of them 'pass' - that is, if your number is divisible by 3 and 6833 - then it is divisible by 20499.

The following tests must pass:

• Test if a number is divisible by 3
• The "Andrew Payne Test" for Divisibility by 6833

Easy!