204152434120 has 16 divisors (see below), whose sum is σ = 459342976860. Its totient is φ = 81660973632.

The previous prime is 204152434111. The next prime is 204152434139. The reversal of 204152434120 is 21434251402.

It can be written as a sum of positive squares in 2 ways, for example, as 204002175556 + 150258564 = 451666^2 + 12258^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2551905387 + ... + 2551905466.

Almost surely, 2^204152434120 is an apocalyptic number.

204152434120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204152434120 is an abundant number, since it is smaller than the sum of its proper divisors (255190542740).

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

204152434120 is a wasteful number, since it uses less digits than its factorization.

204152434120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5103810864 (or 5103810860 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 204152434120 its reverse (21434251402), we get a palindrome (225586685522).

The spelling of 204152434120 in words is "two hundred four billion, one hundred fifty-two million, four hundred thirty-four thousand, one hundred twenty".