20124329952 has 48 divisors (see below), whose sum is σ = 52840795392. Its totient is φ = 6706277760.

The previous prime is 20124329917. The next prime is 20124329971. The reversal of 20124329952 is 25992342102.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 20124329952.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 350713 + ... + 404039.

It is an arithmetic number, because the mean of its divisors is an integer number (1100849904).

Almost surely, 2^20124329952 is an apocalyptic number.

It is an amenable number.

20124329952 is an abundant number, since it is smaller than the sum of its proper divisors (32716465440).

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

20124329952 is a wasteful number, since it uses less digits than its factorization.

20124329952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57271 (or 57263 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 39.

The spelling of 20124329952 in words is "twenty billion, one hundred twenty-four million, three hundred twenty-nine thousand, nine hundred fifty-two".