20124395832 has 32 divisors (see below), whose sum is σ = 52958937600. Its totient is φ = 6355072224.

The previous prime is 20124395803. The next prime is 20124395857. The reversal of 20124395832 is 23859342102.

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, 22065768 + ... + 22066679.

It is an arithmetic number, because the mean of its divisors is an integer number (1654966800).

Almost surely, 2^20124395832 is an apocalyptic number.

It is an amenable number.

20124395832 is an abundant number, since it is smaller than the sum of its proper divisors (32834541768).

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

20124395832 is a wasteful number, since it uses less digits than its factorization.

20124395832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44132475 (or 44132471 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 39.

The spelling of 20124395832 in words is "twenty billion, one hundred twenty-four million, three hundred ninety-five thousand, eight hundred thirty-two".