204255105252 has 24 divisors (see below), whose sum is σ = 519922086432. Its totient is φ = 61895486400.

The previous prime is 204255105221. The next prime is 204255105259. The reversal of 204255105252 is 252501552402.

It is a happy number.

204255105252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (204255105259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 773693449 + ... + 773693712.

It is an arithmetic number, because the mean of its divisors is an integer number (21663420268).

Almost surely, 2^204255105252 is an apocalyptic number.

204255105252 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

204255105252 is an abundant number, since it is smaller than the sum of its proper divisors (315666981180).

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

204255105252 is a wasteful number, since it uses less digits than its factorization.

204255105252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1547387179 (or 1547387177 counting only the distinct ones).

The product of its (nonzero) digits is 40000, while the sum is 33.

Adding to 204255105252 its reverse (252501552402), we get a palindrome (456756657654).

The spelling of 204255105252 in words is "two hundred four billion, two hundred fifty-five million, one hundred five thousand, two hundred fifty-two".