204240531252230 has 32 divisors (see below), whose sum is σ = 424645553751840. Its totient is φ = 69900502673920.

The previous prime is 204240531252181. The next prime is 204240531252269. The reversal of 204240531252230 is 32252135042402.

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 15 ways as a sum of consecutive naturals, for example, 54609765845 + ... + 54609769584.

It is an arithmetic number, because the mean of its divisors is an integer number (13270173554745).

Almost surely, 2^{204240531252230} is an apocalyptic number.

204240531252230 is an abundant number, since it is smaller than the sum of its proper divisors (220405022499610).

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

204240531252230 is a wasteful number, since it uses less digits than its factorization.

204240531252230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109219535464.

The product of its (nonzero) digits is 115200, while the sum is 35.

Adding to 204240531252230 its reverse (32252135042402), we get a palindrome (236492666294632).

The spelling of 204240531252230 in words is "two hundred four trillion, two hundred forty billion, five hundred thirty-one million, two hundred fifty-two thousand, two hundred thirty".