204495064 has 8 divisors (see below), whose sum is σ = 383428260. Its totient is φ = 102247528.

The previous prime is 204495059. The next prime is 204495101. The reversal of 204495064 is 460594402.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12780934 + ... + 12780949.

Almost surely, 2^204495064 is an apocalyptic number.

It is an amenable number.

204495064 is a deficient number, since it is larger than the sum of its proper divisors (178933196).

204495064 is a wasteful number, since it uses less digits than its factorization.

204495064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25561889 (or 25561885 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 204495064 is about 14300.1770618409. The cubic root of 204495064 is about 589.1523439887.

The spelling of 204495064 in words is "two hundred four million, four hundred ninety-five thousand, sixty-four".