204242404 has 6 divisors (see below), whose sum is σ = 357424214. Its totient is φ = 102121200.

The previous prime is 204242383. The next prime is 204242411. The reversal of 204242404 is 404242402.

It can be written as a sum of positive squares in only one way, i.e., 148888804 + 55353600 = 12202^2 + 7440^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25530297 + ... + 25530304.

Almost surely, 2^204242404 is an apocalyptic number.

It is an amenable number.

204242404 is a deficient number, since it is larger than the sum of its proper divisors (153181810).

204242404 is a wasteful number, since it uses less digits than its factorization.

204242404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51060605 (or 51060603 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

The square root of 204242404 is about 14291.3401750851. The cubic root of 204242404 is about 588.9096053206.

Adding to 204242404 its reverse (404242402), we get a palindrome (608484806).

It can be divided in two parts, 20 and 4242404, that added together give a palindrome (4242424).

The spelling of 204242404 in words is "two hundred four million, two hundred forty-two thousand, four hundred four".