205264804 has 12 divisors (see below), whose sum is σ = 362917324. Its totient is φ = 101574144.

The previous prime is 205264799. The next prime is 205264823. The reversal of 205264804 is 408462502.

It can be written as a sum of positive squares in 2 ways, for example, as 45292900 + 159971904 = 6730^2 + 12648^2 .

It is a super-2 number, since 2×205264804² = 84267279522316832, which contains 22 as substring.

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, 264129 + ... + 264904.

Almost surely, 2^205264804 is an apocalyptic number.

It is an amenable number.

205264804 is a deficient number, since it is larger than the sum of its proper divisors (157652520).

205264804 is a wasteful number, since it uses less digits than its factorization.

205264804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529134 (or 529132 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 31.

The square root of 205264804 is about 14327.0654357408. The cubic root of 205264804 is about 589.8906280074.

The spelling of 205264804 in words is "two hundred five million, two hundred sixty-four thousand, eight hundred four".