204134442 has 64 divisors (see below), whose sum is σ = 453427200. Its totient is φ = 61007040.

The previous prime is 204134401. The next prime is 204134467. The reversal of 204134442 is 244431402.

It is a happy number.

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, 165484 + ... + 166712.

It is an arithmetic number, because the mean of its divisors is an integer number (7084800).

Almost surely, 2^204134442 is an apocalyptic number.

204134442 is an abundant number, since it is smaller than the sum of its proper divisors (249292758).

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

204134442 is a wasteful number, since it uses less digits than its factorization.

204134442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1331.

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

The square root of 204134442 is about 14287.5624933016. The cubic root of 204134442 is about 588.8058216733.

Adding to 204134442 its reverse (244431402), we get a palindrome (448565844).

The spelling of 204134442 in words is "two hundred four million, one hundred thirty-four thousand, four hundred forty-two".