204424004 has 12 divisors (see below), whose sum is σ = 357889728. Its totient is φ = 102169800.

The previous prime is 204423979. The next prime is 204424007. The reversal of 204424004 is 400424402.

204424004 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×204424004² = 83578346822784032, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (204424007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2009 + ... + 20319.

It is an arithmetic number, because the mean of its divisors is an integer number (29824144).

Almost surely, 2^204424004 is an apocalyptic number.

It is an amenable number.

204424004 is a deficient number, since it is larger than the sum of its proper divisors (153465724).

204424004 is a wasteful number, since it uses less digits than its factorization.

204424004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21106 (or 21104 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

The square root of 204424004 is about 14297.6922613406. The cubic root of 204424004 is about 589.0840945569.

Adding to 204424004 its reverse (400424402), we get a palindrome (604848406).

The spelling of 204424004 in words is "two hundred four million, four hundred twenty-four thousand, four".