204122203252 has 48 divisors (see below), whose sum is σ = 391870277568. Its totient is φ = 92263691520.

The previous prime is 204122203139. The next prime is 204122203253. The reversal of 204122203252 is 252302221402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204122203253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20598883 + ... + 20608789.

It is an arithmetic number, because the mean of its divisors is an integer number (8163964116).

Almost surely, 2^204122203252 is an apocalyptic number.

204122203252 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

204122203252 is a deficient number, since it is larger than the sum of its proper divisors (187748074316).

204122203252 is a wasteful number, since it uses less digits than its factorization.

204122203252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12496 (or 12494 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 204122203252 its reverse (252302221402), we get a palindrome (456424424654).

The spelling of 204122203252 in words is "two hundred four billion, one hundred twenty-two million, two hundred three thousand, two hundred fifty-two".