20124520504 has 64 divisors (see below), whose sum is σ = 41531292000. Its totient is φ = 9066124800.

The previous prime is 20124520487. The next prime is 20124520613. The reversal of 20124520504 is 40502542102.

It is a congruent number.

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, 7092174 + ... + 7095010.

Almost surely, 2^20124520504 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20124520504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20765646000).

20124520504 is an abundant number, since it is smaller than the sum of its proper divisors (21406771496).

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

20124520504 is a wasteful number, since it uses less digits than its factorization.

20124520504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3544 (or 3540 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The spelling of 20124520504 in words is "twenty billion, one hundred twenty-four million, five hundred twenty thousand, five hundred four".