204531042 has 64 divisors (see below), whose sum is σ = 449535744. Its totient is φ = 61839360.

The previous prime is 204531031. The next prime is 204531071. The reversal of 204531042 is 240135402.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 208858 + ... + 209834.

It is an arithmetic number, because the mean of its divisors is an integer number (7023996).

Almost surely, 2^204531042 is an apocalyptic number.

204531042 is an abundant number, since it is smaller than the sum of its proper divisors (245004702).

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

204531042 is a wasteful number, since it uses less digits than its factorization.

204531042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1083.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 204531042 is about 14301.4349629679. The cubic root of 204531042 is about 589.1868929564.

Adding to 204531042 its reverse (240135402), we get a palindrome (444666444).

The spelling of 204531042 in words is "two hundred four million, five hundred thirty-one thousand, forty-two".