22520102720 has 42 divisors (see below), whose sum is σ = 53632387782. Its totient is φ = 9006967296.

The previous prime is 22520102713. The next prime is 22520102749. The reversal of 22520102720 is 2720102522.

It can be written as a sum of positive squares in 3 ways, for example, as 10099446016 + 12420656704 = 100496^2 + 111448^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2680286 + ... + 2688674.

Almost surely, 2^22520102720 is an apocalyptic number.

22520102720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22520102720 is an abundant number, since it is smaller than the sum of its proper divisors (31112285062).

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

22520102720 is an frugal number, since it uses more digits than its factorization.

22520102720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16795 (or 8396 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 23.

The spelling of 22520102720 in words is "twenty-two billion, five hundred twenty million, one hundred two thousand, seven hundred twenty".