204330864 has 40 divisors (see below), whose sum is σ = 555639040. Its totient is φ = 64525248.

The previous prime is 204330859. The next prime is 204330877. The reversal of 204330864 is 468033402.

It is a super-2 number, since 2×204330864² = 83502203965972992, which contains 22 as substring.

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, 111112 + ... + 112935.

It is an arithmetic number, because the mean of its divisors is an integer number (13890976).

Almost surely, 2^204330864 is an apocalyptic number.

204330864 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

204330864 is an abundant number, since it is smaller than the sum of its proper divisors (351308176).

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

204330864 is a wasteful number, since it uses less digits than its factorization.

204330864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224077 (or 224071 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 204330864 is about 14294.4347212473. The cubic root of 204330864 is about 588.9946144788.

The spelling of 204330864 in words is "two hundred four million, three hundred thirty thousand, eight hundred sixty-four".