204100064 has 24 divisors (see below), whose sum is σ = 459225648. Its totient is φ = 87471360.

The previous prime is 204100031. The next prime is 204100067. The reversal of 204100064 is 460001402.

204100064 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×204100064² = 83313672249608192, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204100067) by changing a digit.

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, 455357 + ... + 455804.

It is an arithmetic number, because the mean of its divisors is an integer number (19134402).

Almost surely, 2^204100064 is an apocalyptic number.

It is an amenable number.

204100064 is an abundant number, since it is smaller than the sum of its proper divisors (255125584).

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

204100064 is an equidigital number, since it uses as much as digits as its factorization.

204100064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 911178 (or 911170 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 204100064 is about 14286.3593682925. The cubic root of 204100064 is about 588.7727664921.

Adding to 204100064 its reverse (460001402), we get a palindrome (664101466).

The spelling of 204100064 in words is "two hundred four million, one hundred thousand, sixty-four".