204542402 has 32 divisors (see below), whose sum is σ = 342558720. Its totient is φ = 91146240.

The previous prime is 204542389. The next prime is 204542411. The reversal of 204542402 is 204245402.

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, 47474 + ... + 51602.

It is an arithmetic number, because the mean of its divisors is an integer number (10704960).

Almost surely, 2^204542402 is an apocalyptic number.

204542402 is a deficient number, since it is larger than the sum of its proper divisors (138016318).

204542402 is a wasteful number, since it uses less digits than its factorization.

204542402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4226.

The product of its (nonzero) digits is 2560, while the sum is 23.

The square root of 204542402 is about 14301.8321203963. The cubic root of 204542402 is about 589.1978009000.

Adding to 204542402 its reverse (204245402), we get a palindrome (408787804).

The spelling of 204542402 in words is "two hundred four million, five hundred forty-two thousand, four hundred two".