20620224624 has 40 divisors (see below), whose sum is σ = 53275098112. Its totient is φ = 6872610240.

The previous prime is 20620224619. The next prime is 20620224631. The reversal of 20620224624 is 42642202602.

It is a junction number, because it is equal to n+sod(n) for n = 20620224591 and 20620224600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 512007 + ... + 550809.

Almost surely, 2^20620224624 is an apocalyptic number.

20620224624 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20620224624 is an abundant number, since it is smaller than the sum of its proper divisors (32654873488).

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

20620224624 is a wasteful number, since it uses less digits than its factorization.

20620224624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49885 (or 49879 counting only the distinct ones).

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

The spelling of 20620224624 in words is "twenty billion, six hundred twenty million, two hundred twenty-four thousand, six hundred twenty-four".