22023310320 has 400 divisors, whose sum is σ = 84521733120. Its totient is φ = 5270054400.

The previous prime is 22023310289. The next prime is 22023310339. The reversal of 22023310320 is 2301332022.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 22023310293 and 22023310302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 5629165 + ... + 5633075.

Almost surely, 2^22023310320 is an apocalyptic number.

22023310320 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 22023310320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42260866560).

22023310320 is an abundant number, since it is smaller than the sum of its proper divisors (62498422800).

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

22023310320 is a wasteful number, since it uses less digits than its factorization.

22023310320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4026 (or 4011 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 22023310320 its reverse (2301332022), we get a palindrome (24324642342).

The spelling of 22023310320 in words is "twenty-two billion, twenty-three million, three hundred ten thousand, three hundred twenty".