220412604 has 24 divisors (see below), whose sum is σ = 530887168. Its totient is φ = 71100720.

The previous prime is 220412579. The next prime is 220412627. The reversal of 220412604 is 406214022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 295882 + ... + 296625.

Almost surely, 2^220412604 is an apocalyptic number.

It is an amenable number.

220412604 is an abundant number, since it is smaller than the sum of its proper divisors (310474564).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

220412604 is a wasteful number, since it uses less digits than its factorization.

220412604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 592545 (or 592543 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 220412604 is about 14846.2993368718. The cubic root of 220412604 is about 604.0582337900.

Adding to 220412604 its reverse (406214022), we get a palindrome (626626626).

The spelling of 220412604 in words is "two hundred twenty million, four hundred twelve thousand, six hundred four".