22102552520 has 32 divisors (see below), whose sum is σ = 50060099520. Its totient is φ = 8782468800.

The previous prime is 22102552519. The next prime is 22102552523. The reversal of 22102552520 is 2525520122.

It is a self number, because there is not a number n which added to its sum of digits gives 22102552520.

It is not an unprimeable number, because it can be changed into a prime (22102552523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1823642 + ... + 1835721.

It is an arithmetic number, because the mean of its divisors is an integer number (1564378110).

Almost surely, 2^22102552520 is an apocalyptic number.

22102552520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22102552520 is an abundant number, since it is smaller than the sum of its proper divisors (27957547000).

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

22102552520 is a wasteful number, since it uses less digits than its factorization.

22102552520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3659525 (or 3659521 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 26.

The spelling of 22102552520 in words is "twenty-two billion, one hundred two million, five hundred fifty-two thousand, five hundred twenty".