22505363020 has 48 divisors (see below), whose sum is σ = 54212272128. Its totient is φ = 7687638720.

The previous prime is 22505363003. The next prime is 22505363039. The reversal of 22505363020 is 2036350522.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 22505363020.

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, 258652 + ... + 334531.

It is an arithmetic number, because the mean of its divisors is an integer number (1129422336).

Almost surely, 2^22505363020 is an apocalyptic number.

22505363020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22505363020 is an abundant number, since it is smaller than the sum of its proper divisors (31706909108).

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

22505363020 is a wasteful number, since it uses less digits than its factorization.

22505363020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 593470 (or 593468 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 28.

The spelling of 22505363020 in words is "twenty-two billion, five hundred five million, three hundred sixty-three thousand, twenty".