22541021320 has 32 divisors (see below), whose sum is σ = 52353342720. Its totient is φ = 8725556160.

The previous prime is 22541021309. The next prime is 22541021381. The reversal of 22541021320 is 2312014522.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22541021291 and 22541021300.

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, 9087882 + ... + 9090361.

It is an arithmetic number, because the mean of its divisors is an integer number (1636041960).

Almost surely, 2^22541021320 is an apocalyptic number.

22541021320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22541021320 is an abundant number, since it is smaller than the sum of its proper divisors (29812321400).

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

22541021320 is a wasteful number, since it uses less digits than its factorization.

22541021320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18178285 (or 18178281 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 22541021320 its reverse (2312014522), we get a palindrome (24853035842).

The spelling of 22541021320 in words is "twenty-two billion, five hundred forty-one million, twenty-one thousand, three hundred twenty".