204134120 has 32 divisors (see below), whose sum is σ = 462067200. Its totient is φ = 81162048.

The previous prime is 204134093. The next prime is 204134129. The reversal of 204134120 is 21431402.

204134120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (204134129) 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, 8600 + ... + 21959.

It is an arithmetic number, because the mean of its divisors is an integer number (14439600).

Almost surely, 2^204134120 is an apocalyptic number.

204134120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204134120 is an abundant number, since it is smaller than the sum of its proper divisors (257933080).

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

204134120 is a wasteful number, since it uses less digits than its factorization.

204134120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30737 (or 30733 counting only the distinct ones).

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

The square root of 204134120 is about 14287.5512247551. The cubic root of 204134120 is about 588.8055120807.

Adding to 204134120 its reverse (21431402), we get a palindrome (225565522).

The spelling of 204134120 in words is "two hundred four million, one hundred thirty-four thousand, one hundred twenty".