204034642 has 16 divisors (see below), whose sum is σ = 350030592. Its totient is φ = 87379200.

The previous prime is 204034627. The next prime is 204034651. The reversal of 204034642 is 246430402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17863 + ... + 26965.

It is an arithmetic number, because the mean of its divisors is an integer number (21876912).

Almost surely, 2^204034642 is an apocalyptic number.

204034642 is a deficient number, since it is larger than the sum of its proper divisors (145995950).

204034642 is a wasteful number, since it uses less digits than its factorization.

204034642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10713.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 204034642 is about 14284.0695181730. The cubic root of 204034642 is about 588.7098515873.

The spelling of 204034642 in words is "two hundred four million, thirty-four thousand, six hundred forty-two".