20624244088 has 32 divisors (see below), whose sum is σ = 45135129600. Its totient is φ = 8650897632.

The previous prime is 20624244079. The next prime is 20624244131. The reversal of 20624244088 is 88044242602.

It is a self number, because there is not a number n which added to its sum of digits gives 20624244088.

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, 3915348 + ... + 3920611.

It is an arithmetic number, because the mean of its divisors is an integer number (1410472800).

Almost surely, 2^20624244088 is an apocalyptic number.

20624244088 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

20624244088 is an abundant number, since it is smaller than the sum of its proper divisors (24510885512).

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

20624244088 is a wasteful number, since it uses less digits than its factorization.

20624244088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7836019 (or 7836015 counting only the distinct ones).

The product of its (nonzero) digits is 196608, while the sum is 40.

The spelling of 20624244088 in words is "twenty billion, six hundred twenty-four million, two hundred forty-four thousand, eighty-eight".