204670064 has 20 divisors (see below), whose sum is σ = 400401456. Its totient is φ = 101340672.

The previous prime is 204670049. The next prime is 204670087. The reversal of 204670064 is 460076402.

It is a congruent number.

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, 60449 + ... + 63744.

Almost surely, 2^204670064 is an apocalyptic number.

It is an amenable number.

204670064 is a deficient number, since it is larger than the sum of its proper divisors (195731392).

204670064 is a wasteful number, since it uses less digits than its factorization.

204670064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124304 (or 124298 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 204670064 is about 14306.2945586899. The cubic root of 204670064 is about 589.3203549940.

The spelling of 204670064 in words is "two hundred four million, six hundred seventy thousand, sixty-four".