22321120320 has 112 divisors (see below), whose sum is σ = 78743982720. Its totient is φ = 5952296448.

The previous prime is 22321120273. The next prime is 22321120321. The reversal of 22321120320 is 2302112322.

22321120320 is a `hidden beast` number, since 2 + 2 + 321 + 1 + 20 + 320 = 666.

It is a super-3 number, since 3×22321120320³ (a number of 32 digits) contains 333 as substring.

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 = 22321120293 and 22321120302.

It is not an unprimeable number, because it can be changed into a prime (22321120321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1283092 + ... + 1300371.

Almost surely, 2^22321120320 is an apocalyptic number.

22321120320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22321120320 is an abundant number, since it is smaller than the sum of its proper divisors (56422862400).

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

22321120320 is a wasteful number, since it uses less digits than its factorization.

22321120320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2583489 (or 2583473 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 22321120320 its reverse (2302112322), we get a palindrome (24623232642).

The spelling of 22321120320 in words is "twenty-two billion, three hundred twenty-one million, one hundred twenty thousand, three hundred twenty".