22220113320 has 64 divisors (see below), whose sum is σ = 74067048000. Its totient is φ = 5925363264.

The previous prime is 22220113297. The next prime is 22220113351. The reversal of 22220113320 is 2331102222.

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 = 22220113293 and 22220113302.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10286010 + ... + 10288169.

It is an arithmetic number, because the mean of its divisors is an integer number (1157297625).

Almost surely, 2^22220113320 is an apocalyptic number.

22220113320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22220113320 is an abundant number, since it is smaller than the sum of its proper divisors (51846934680).

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

22220113320 is a wasteful number, since it uses less digits than its factorization.

22220113320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20574199 (or 20574189 counting only the distinct ones).

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

Adding to 22220113320 its reverse (2331102222), we get a palindrome (24551215542).

The spelling of 22220113320 in words is "twenty-two billion, two hundred twenty million, one hundred thirteen thousand, three hundred twenty".