204811104 has 48 divisors (see below), whose sum is σ = 569258928. Its totient is φ = 64253952.

The previous prime is 204811091. The next prime is 204811111. The reversal of 204811104 is 401118402.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61117 + ... + 64380.

It is an arithmetic number, because the mean of its divisors is an integer number (11859561).

Almost surely, 2^204811104 is an apocalyptic number.

204811104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

204811104 is an abundant number, since it is smaller than the sum of its proper divisors (364447824).

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

204811104 is a wasteful number, since it uses less digits than its factorization.

204811104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125527 (or 125519 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

The square root of 204811104 is about 14311.2230085342. The cubic root of 204811104 is about 589.4556925810.

Adding to 204811104 its reverse (401118402), we get a palindrome (605929506).

The spelling of 204811104 in words is "two hundred four million, eight hundred eleven thousand, one hundred four".