239902289220 has 48 divisors (see below), whose sum is σ = 732792449088. Its totient is φ = 58158130560.

The previous prime is 239902289219. The next prime is 239902289233. The reversal of 239902289220 is 22982209932.

It is a self number, because there is not a number n which added to its sum of digits gives 239902289220.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 181743499 + ... + 181744818.

It is an arithmetic number, because the mean of its divisors is an integer number (15266509356).

Almost surely, 2^239902289220 is an apocalyptic number.

239902289220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

239902289220 is an abundant number, since it is smaller than the sum of its proper divisors (492890159868).

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

239902289220 is a wasteful number, since it uses less digits than its factorization.

239902289220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363488340 (or 363488338 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 48.

The spelling of 239902289220 in words is "two hundred thirty-nine billion, nine hundred two million, two hundred eighty-nine thousand, two hundred twenty".