22220013120 has 112 divisors (see below), whose sum is σ = 70588071168. Its totient is φ = 5922017280.

The previous prime is 22220013097. The next prime is 22220013169. The reversal of 22220013120 is 2131002222.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 22220013120.

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, 2046105 + ... + 2056935.

Almost surely, 2^22220013120 is an apocalyptic number.

22220013120 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 22220013120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35294035584).

22220013120 is an abundant number, since it is smaller than the sum of its proper divisors (48368058048).

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

22220013120 is a wasteful number, since it uses less digits than its factorization.

22220013120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12988 (or 12978 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 22220013120 its reverse (2131002222), we get a palindrome (24351015342).

The spelling of 22220013120 in words is "twenty-two billion, two hundred twenty million, thirteen thousand, one hundred twenty".