204045104 has 20 divisors (see below), whose sum is σ = 416145240. Its totient is φ = 96652800.

The previous prime is 204045097. The next prime is 204045113. The reversal of 204045104 is 401540402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 335297 + ... + 335904.

It is an arithmetic number, because the mean of its divisors is an integer number (20807262).

Almost surely, 2^204045104 is an apocalyptic number.

It is an amenable number.

204045104 is an abundant number, since it is smaller than the sum of its proper divisors (212100136).

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

204045104 is a wasteful number, since it uses less digits than its factorization.

204045104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671228 (or 671222 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 204045104 is about 14284.4357256421. The cubic root of 204045104 is about 588.7199135669.

Adding to 204045104 its reverse (401540402), we get a palindrome (605585506).

The spelling of 204045104 in words is "two hundred four million, forty-five thousand, one hundred four".