204039402 has 16 divisors (see below), whose sum is σ = 466375872. Its totient is φ = 58296960.

The previous prime is 204039397. The next prime is 204039413. The reversal of 204039402 is 204930402.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2428999 + ... + 2429082.

It is an arithmetic number, because the mean of its divisors is an integer number (29148492).

Almost surely, 2^204039402 is an apocalyptic number.

204039402 is an abundant number, since it is smaller than the sum of its proper divisors (262336470).

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

204039402 is a wasteful number, since it uses less digits than its factorization.

204039402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4858093.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 204039402 is about 14284.2361363848. The cubic root of 204039402 is about 588.7144296287.

Adding to 204039402 its reverse (204930402), we get a palindrome (408969804).

The spelling of 204039402 in words is "two hundred four million, thirty-nine thousand, four hundred two".