204154236252 has 36 divisors (see below), whose sum is σ = 516260666376. Its totient is φ = 68024494560.

The previous prime is 204154236239. The next prime is 204154236269. The reversal of 204154236252 is 252632451402.

204154236252 is a `hidden beast` number, since 2 + 0 + 4 + 1 + 5 + 4 + 23 + 625 + 2 = 666.

204154236252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 1029183 + ... + 1211414.

It is an arithmetic number, because the mean of its divisors is an integer number (14340574066).

Almost surely, 2^204154236252 is an apocalyptic number.

It is an amenable number.

204154236252 is an abundant number, since it is smaller than the sum of its proper divisors (312106430124).

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

204154236252 is a wasteful number, since it uses less digits than its factorization.

204154236252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2243138 (or 2243133 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

Adding to 204154236252 its reverse (252632451402), we get a palindrome (456786687654).

The spelling of 204154236252 in words is "two hundred four billion, one hundred fifty-four million, two hundred thirty-six thousand, two hundred fifty-two".