22432132520 has 64 divisors (see below), whose sum is σ = 57984768000. Its totient is φ = 7650731520.

The previous prime is 22432132517. The next prime is 22432132523. The reversal of 22432132520 is 2523123422.

It is an interprime number because it is at equal distance from previous prime (22432132517) and next prime (22432132523).

It is a self number, because there is not a number n which added to its sum of digits gives 22432132520.

It is not an unprimeable number, because it can be changed into a prime (22432132523) 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 15 ways as a sum of consecutive naturals, for example, 156245 + ... + 263204.

It is an arithmetic number, because the mean of its divisors is an integer number (906012000).

Almost surely, 2^22432132520 is an apocalyptic number.

22432132520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22432132520 is an abundant number, since it is smaller than the sum of its proper divisors (35552635480).

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

22432132520 is a wasteful number, since it uses less digits than its factorization.

22432132520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419658 (or 419654 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

Adding to 22432132520 its reverse (2523123422), we get a palindrome (24955255942).

The spelling of 22432132520 in words is "twenty-two billion, four hundred thirty-two million, one hundred thirty-two thousand, five hundred twenty".