There are the Lucky Numbers https://en.wikipedia.org/wiki/Lucky_number. Generated by a variant of the Sieve of Eratosthenes, they're believed to have a similar distribution to the primes while not having similar multiplicative properties.

The opposite of prime numbers are

https://en.wikipedia.org/wiki/Highly_composite_number

But I'm not sure if these ones are evil.

There are the anti prime numbers (also called highly composite numbers).

Every even number?

2?

Well, this one is pretty evil as prime numbers go.