204142434 has 32 divisors (see below), whose sum is σ = 432414720. Its totient is φ = 64114512.

The previous prime is 204142429. The next prime is 204142459. The reversal of 204142434 is 434241402.

It is a happy number.

204142434 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1794 + ... + 20285.

It is an arithmetic number, because the mean of its divisors is an integer number (13512960).

Almost surely, 2^204142434 is an apocalyptic number.

204142434 is an abundant number, since it is smaller than the sum of its proper divisors (228272286).

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

204142434 is a wasteful number, since it uses less digits than its factorization.

204142434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22174.

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 204142434 is about 14287.8421743803. The cubic root of 204142434 is about 588.8135056204.

Adding to 204142434 its reverse (434241402), we get a palindrome (638383836).

The spelling of 204142434 in words is "two hundred four million, one hundred forty-two thousand, four hundred thirty-four".