22555513020 has 48 divisors (see below), whose sum is σ = 64862346528. Its totient is φ = 5852240640.

The previous prime is 22555513007. The next prime is 22555513037. The reversal of 22555513020 is 2031555522.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 5077851 + ... + 5082290.

It is an arithmetic number, because the mean of its divisors is an integer number (1351298886).

Almost surely, 2^22555513020 is an apocalyptic number.

22555513020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22555513020 is an abundant number, since it is smaller than the sum of its proper divisors (42306833508).

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

22555513020 is a wasteful number, since it uses less digits than its factorization.

22555513020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10160190 (or 10160188 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 30.

The spelling of 22555513020 in words is "twenty-two billion, five hundred fifty-five million, five hundred thirteen thousand, twenty".