204042234 has 16 divisors (see below), whose sum is σ = 445183200. Its totient is φ = 61830960.

The previous prime is 204042233. The next prime is 204042263. The reversal of 204042234 is 432240402.

It is a self number, because there is not a number n which added to its sum of digits gives 204042234.

It is not an unprimeable number, because it can be changed into a prime (204042233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1545709 + ... + 1545840.

It is an arithmetic number, because the mean of its divisors is an integer number (27823950).

Almost surely, 2^204042234 is an apocalyptic number.

204042234 is an abundant number, since it is smaller than the sum of its proper divisors (241140966).

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

204042234 is a wasteful number, since it uses less digits than its factorization.

204042234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3091565.

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 204042234 is about 14284.3352662978. The cubic root of 204042234 is about 588.7171533372.

Adding to 204042234 its reverse (432240402), we get a palindrome (636282636).

The spelling of 204042234 in words is "two hundred four million, forty-two thousand, two hundred thirty-four".