204231813252 has 24 divisors (see below), whose sum is σ = 483252743232. Its totient is φ = 67118436000.

The previous prime is 204231813221. The next prime is 204231813287. The reversal of 204231813252 is 252318132402.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119853499 + ... + 119855202.

It is an arithmetic number, because the mean of its divisors is an integer number (20135530968).

Almost surely, 2^204231813252 is an apocalyptic number.

It is an amenable number.

204231813252 is an abundant number, since it is smaller than the sum of its proper divisors (279020929980).

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

204231813252 is a wasteful number, since it uses less digits than its factorization.

204231813252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239708779 (or 239708777 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

Adding to 204231813252 its reverse (252318132402), we get a palindrome (456549945654).

The spelling of 204231813252 in words is "two hundred four billion, two hundred thirty-one million, eight hundred thirteen thousand, two hundred fifty-two".