20122185239232 has 56 divisors (see below), whose sum is σ = 53247130311216. Its totient is φ = 6706490277888.

The previous prime is 20122185239203. The next prime is 20122185239263. The reversal of 20122185239232 is 23293258122102.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5640993 + ... + 8489120.

Almost surely, 2^{20122185239232} is an apocalyptic number.

It is an amenable number.

20122185239232 is an abundant number, since it is smaller than the sum of its proper divisors (33124945071984).

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

20122185239232 is a wasteful number, since it uses less digits than its factorization.

20122185239232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14137545 (or 14137535 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 42.

The spelling of 20122185239232 in words is "twenty trillion, one hundred twenty-two billion, one hundred eighty-five million, two hundred thirty-nine thousand, two hundred thirty-two".