20460240624 has 80 divisors (see below), whose sum is σ = 53178017024. Its totient is φ = 6778598400.

The previous prime is 20460240589. The next prime is 20460240659. The reversal of 20460240624 is 42604206402.

It is an interprime number because it is at equal distance from previous prime (20460240589) and next prime (20460240659).

It is a junction number, because it is equal to n+sod(n) for n = 20460240591 and 20460240600.

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, 7298007 + ... + 7300809.

Almost surely, 2^20460240624 is an apocalyptic number.

20460240624 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20460240624 is an abundant number, since it is smaller than the sum of its proper divisors (32717776400).

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

20460240624 is a wasteful number, since it uses less digits than its factorization.

20460240624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3686 (or 3680 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

The spelling of 20460240624 in words is "twenty billion, four hundred sixty million, two hundred forty thousand, six hundred twenty-four".