204245402 has 16 divisors (see below), whose sum is σ = 331211040. Its totient is φ = 94132368.

The previous prime is 204245401. The next prime is 204245417. The reversal of 204245402 is 204542402.

It is not an unprimeable number, because it can be changed into a prime (204245401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71228 + ... + 74039.

It is an arithmetic number, because the mean of its divisors is an integer number (20700690).

Almost surely, 2^204245402 is an apocalyptic number.

204245402 is a deficient number, since it is larger than the sum of its proper divisors (126965638).

204245402 is a wasteful number, since it uses less digits than its factorization.

204245402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145325.

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

The square root of 204245402 is about 14291.4450633937. The cubic root of 204245402 is about 588.9124867698.

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

The spelling of 204245402 in words is "two hundred four million, two hundred forty-five thousand, four hundred two".