204135060 has 48 divisors (see below), whose sum is σ = 591292800. Its totient is φ = 52558464.

The previous prime is 204135049. The next prime is 204135079. The reversal of 204135060 is 60531402.

It is a happy number.

It is a super-2 number, since 2×204135060² = 83342245442407200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56920 + ... + 60399.

It is an arithmetic number, because the mean of its divisors is an integer number (12318600).

Almost surely, 2^204135060 is an apocalyptic number.

204135060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204135060 is an abundant number, since it is smaller than the sum of its proper divisors (387157740).

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

204135060 is a wasteful number, since it uses less digits than its factorization.

204135060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117360 (or 117358 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 204135060 is about 14287.5841204873. The cubic root of 204135060 is about 588.8064158596.

Adding to 204135060 its reverse (60531402), we get a palindrome (264666462).

The spelling of 204135060 in words is "two hundred four million, one hundred thirty-five thousand, sixty".