204635064 has 32 divisors (see below), whose sum is σ = 518797440. Its totient is φ = 67250400.

The previous prime is 204635063. The next prime is 204635077. The reversal of 204635064 is 460536402.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204635063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58342 + ... + 61749.

It is an arithmetic number, because the mean of its divisors is an integer number (16212420).

Almost surely, 2^204635064 is an apocalyptic number.

204635064 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

204635064 is an abundant number, since it is smaller than the sum of its proper divisors (314162376).

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

204635064 is a wasteful number, since it uses less digits than its factorization.

204635064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120171 (or 120167 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 204635064 is about 14305.0712686096. The cubic root of 204635064 is about 589.2867604568.

The spelling of 204635064 in words is "two hundred four million, six hundred thirty-five thousand, sixty-four".