20124503312 has 40 divisors (see below), whose sum is σ = 39448713216. Its totient is φ = 9944798976.

The previous prime is 20124503303. The next prime is 20124503317. The reversal of 20124503312 is 21330542102.

It is not an unprimeable number, because it can be changed into a prime (20124503317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 515588 + ... + 553244.

Almost surely, 2^20124503312 is an apocalyptic number.

It is an amenable number.

20124503312 is a deficient number, since it is larger than the sum of its proper divisors (19324209904).

20124503312 is a wasteful number, since it uses less digits than its factorization.

20124503312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38055 (or 38049 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The spelling of 20124503312 in words is "twenty billion, one hundred twenty-four million, five hundred three thousand, three hundred twelve".