22220113333220 has 96 divisors (see below), whose sum is σ = 51111774717696. Its totient is φ = 8047119142400.

The previous prime is 22220113333207. The next prime is 22220113333259. The reversal of 22220113333220 is 2233331102222.

It is a super-2 number, since 2×22220113333220² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22220113333220.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 219643850 + ... + 219744990.

It is an arithmetic number, because the mean of its divisors is an integer number (532414319976).

Almost surely, 2^{22220113333220} is an apocalyptic number.

22220113333220 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 22220113333220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25555887358848).

22220113333220 is an abundant number, since it is smaller than the sum of its proper divisors (28891661384476).

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

22220113333220 is a wasteful number, since it uses less digits than its factorization.

22220113333220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105221 (or 105219 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 22220113333220 its reverse (2233331102222), we get a palindrome (24453444435442).

The spelling of 22220113333220 in words is "twenty-two trillion, two hundred twenty billion, one hundred thirteen million, three hundred thirty-three thousand, two hundred twenty".