22322020320 has 144 divisors (see below), whose sum is σ = 78032000592. Its totient is φ = 5807339520.

The previous prime is 22322020319. The next prime is 22322020327. The reversal of 22322020320 is 2302022322.

22322020320 is a `hidden beast` number, since 2 + 2 + 322 + 0 + 20 + 320 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-3 number, since 3×22322020320³ (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 = 22322020293 and 22322020302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22322020327) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 130002 + ... + 248081.

It is an arithmetic number, because the mean of its divisors is an integer number (541888893).

Almost surely, 2^22322020320 is an apocalyptic number.

22322020320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22322020320 is an abundant number, since it is smaller than the sum of its proper divisors (55709980272).

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

22322020320 is a wasteful number, since it uses less digits than its factorization.

22322020320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378145 (or 378134 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

Adding to 22322020320 its reverse (2302022322), we get a palindrome (24624042642).

The spelling of 22322020320 in words is "twenty-two billion, three hundred twenty-two million, twenty thousand, three hundred twenty".