22320313020 has 72 divisors (see below), whose sum is σ = 70212555504. Its totient is φ = 5952082176.

The previous prime is 22320313003. The next prime is 22320313027. The reversal of 22320313020 is 2031302322.

It is a happy number.

It is a super-3 number, since 3×22320313020³ (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 = 22320312984 and 22320313002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22320313027) 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, 2291469 + ... + 2301188.

It is an arithmetic number, because the mean of its divisors is an integer number (975174382).

Almost surely, 2^22320313020 is an apocalyptic number.

22320313020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22320313020 is an abundant number, since it is smaller than the sum of its proper divisors (47892242484).

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

22320313020 is a wasteful number, since it uses less digits than its factorization.

22320313020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4592681 (or 4592667 counting only the distinct ones).

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

Adding to 22320313020 its reverse (2031302322), we get a palindrome (24351615342).

The spelling of 22320313020 in words is "twenty-two billion, three hundred twenty million, three hundred thirteen thousand, twenty".