204286064 has 20 divisors (see below), whose sum is σ = 404227104. Its totient is φ = 99969408.

The previous prime is 204286057. The next prime is 204286079. The reversal of 204286064 is 460682402.

It is a happy number.

It is a super-2 number, since 2×204286064² = 83465591889224192, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 204286064.

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 in 3 ways as a sum of consecutive naturals, for example, 135077 + ... + 136580.

Almost surely, 2^204286064 is an apocalyptic number.

It is an amenable number.

204286064 is a deficient number, since it is larger than the sum of its proper divisors (199941040).

204286064 is a wasteful number, since it uses less digits than its factorization.

204286064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271712 (or 271706 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 32.

The square root of 204286064 is about 14292.8675919145. The cubic root of 204286064 is about 588.9515652025.

The spelling of 204286064 in words is "two hundred four million, two hundred eighty-six thousand, sixty-four".