204215044 has 12 divisors (see below), whose sum is σ = 389865168. Its totient is φ = 92825000.

The previous prime is 204215023. The next prime is 204215051. The reversal of 204215044 is 440512402.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

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, 2320582 + ... + 2320669.

It is an arithmetic number, because the mean of its divisors is an integer number (32488764).

Almost surely, 2^204215044 is an apocalyptic number.

It is an amenable number.

204215044 is a deficient number, since it is larger than the sum of its proper divisors (185650124).

204215044 is a wasteful number, since it uses less digits than its factorization.

204215044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4641266 (or 4641264 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 204215044 is about 14290.3829199920. The cubic root of 204215044 is about 588.8833076696.

Adding to 204215044 its reverse (440512402), we get a palindrome (644727446).

The spelling of 204215044 in words is "two hundred four million, two hundred fifteen thousand, forty-four".