22123024420 has 48 divisors (see below), whose sum is σ = 54330046848. Its totient is φ = 7408638720.

The previous prime is 22123024397. The next prime is 22123024447. The reversal of 22123024420 is 2442032122.

It is a junction number, because it is equal to n+sod(n) for n = 22123024391 and 22123024400.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1831441 + ... + 1843480.

It is an arithmetic number, because the mean of its divisors is an integer number (1131875976).

Almost surely, 2^22123024420 is an apocalyptic number.

22123024420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22123024420 is an abundant number, since it is smaller than the sum of its proper divisors (32207022428).

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

22123024420 is a wasteful number, since it uses less digits than its factorization.

22123024420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3674980 (or 3674978 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 22123024420 its reverse (2442032122), we get a palindrome (24565056542).

The spelling of 22123024420 in words is "twenty-two billion, one hundred twenty-three million, twenty-four thousand, four hundred twenty".