Divisor 20606

To determine if any number is divisible by 20606, you must apply 2 tests successively. If all of them 'pass' - that is, if your number is divisible by 2 and 10303 - then it is divisible by 20606.

The following tests must pass:

• Test if a number is divisible by 2
• The "Julin R Justin Test" for Divisibility by 10303

Easy!