22532021120 has 64 divisors (see below), whose sum is σ = 61560712800. Its totient is φ = 7725262848.

The previous prime is 22532021087. The next prime is 22532021143. The reversal of 22532021120 is 2112023522.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 22532021092 and 22532021101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2510255 + ... + 2519214.

Almost surely, 2^22532021120 is an apocalyptic number.

22532021120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22532021120 is an abundant number, since it is smaller than the sum of its proper divisors (39028691680).

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

22532021120 is an equidigital number, since it uses as much as digits as its factorization.

22532021120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5029495 (or 5029483 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 22532021120 its reverse (2112023522), we get a palindrome (24644044642).

The spelling of 22532021120 in words is "twenty-two billion, five hundred thirty-two million, twenty-one thousand, one hundred twenty".