22531023120 has 40 divisors (see below), whose sum is σ = 69846172416. Its totient is φ = 6008272768.

The previous prime is 22531023103. The next prime is 22531023131. The reversal of 22531023120 is 2132013522.

It is a tau number, because it is divible by the number of its divisors (40).

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, 46939392 + ... + 46939871.

Almost surely, 2^22531023120 is an apocalyptic number.

22531023120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22531023120 is an abundant number, since it is smaller than the sum of its proper divisors (47315149296).

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

22531023120 is a wasteful number, since it uses less digits than its factorization.

22531023120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93879279 (or 93879273 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

Adding to 22531023120 its reverse (2132013522), we get a palindrome (24663036642).

The spelling of 22531023120 in words is "twenty-two billion, five hundred thirty-one million, twenty-three thousand, one hundred twenty".