20121522024 has 64 divisors (see below), whose sum is σ = 51250032000. Its totient is φ = 6581938176.

The previous prime is 20121522017. The next prime is 20121522041. The reversal of 20121522024 is 42022512102.

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, 319792 + ... + 377504.

It is an arithmetic number, because the mean of its divisors is an integer number (800781750).

Almost surely, 2^20121522024 is an apocalyptic number.

20121522024 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20121522024 is an abundant number, since it is smaller than the sum of its proper divisors (31128509976).

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

20121522024 is a wasteful number, since it uses less digits than its factorization.

20121522024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57994 (or 57990 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The spelling of 20121522024 in words is "twenty billion, one hundred twenty-one million, five hundred twenty-two thousand, twenty-four".