22220131120 has 80 divisors (see below), whose sum is σ = 56521525248. Its totient is φ = 8056651520.

The previous prime is 22220131117. The next prime is 22220131123. The reversal of 22220131120 is 2113102222.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22220131117) and next prime (22220131123).

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 22220131094 and 22220131103.

It is not an unprimeable number, because it can be changed into a prime (22220131123) 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, 268977 + ... + 341743.

Almost surely, 2^22220131120 is an apocalyptic number.

22220131120 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 22220131120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28260762624).

22220131120 is an abundant number, since it is smaller than the sum of its proper divisors (34301394128).

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

22220131120 is a wasteful number, since it uses less digits than its factorization.

22220131120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73138 (or 73132 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 22220131120 its reverse (2113102222), we get a palindrome (24333233342).

The spelling of 22220131120 in words is "twenty-two billion, two hundred twenty million, one hundred thirty-one thousand, one hundred twenty".