22163124720 has 240 divisors, whose sum is σ = 78126562080. Its totient is φ = 5187409920.

The previous prime is 22163124719. The next prime is 22163124817. The reversal of 22163124720 is 2742136122.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 829002 + ... + 855318.

It is an arithmetic number, because the mean of its divisors is an integer number (325527342).

Almost surely, 2^22163124720 is an apocalyptic number.

22163124720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22163124720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39063281040).

22163124720 is an abundant number, since it is smaller than the sum of its proper divisors (55963437360).

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

22163124720 is a wasteful number, since it uses less digits than its factorization.

22163124720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26384 (or 26367 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The spelling of 22163124720 in words is "twenty-two billion, one hundred sixty-three million, one hundred twenty-four thousand, seven hundred twenty".