204241404 has 12 divisors (see below), whose sum is σ = 476563304. Its totient is φ = 68080464.

The previous prime is 204241399. The next prime is 204241447. The reversal of 204241404 is 404142402.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×204241404² = 83429102215782432, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8510047 + ... + 8510070.

Almost surely, 2^204241404 is an apocalyptic number.

It is an amenable number.

204241404 is an abundant number, since it is smaller than the sum of its proper divisors (272321900).

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

204241404 is a wasteful number, since it uses less digits than its factorization.

204241404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17020124 (or 17020122 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 204241404 is about 14291.3051888202. The cubic root of 204241404 is about 588.9086441905.

Adding to 204241404 its reverse (404142402), we get a palindrome (608383806).

It can be divided in two parts, 20 and 4241404, that added together give a palindrome (4241424).

The spelling of 204241404 in words is "two hundred four million, two hundred forty-one thousand, four hundred four".