22011220010220 has 192 divisors, whose sum is σ = 74953967155200. Its totient is φ = 4711391612928.

The previous prime is 22011220010209. The next prime is 22011220010287. The reversal of 22011220010220 is 2201002211022.

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 22011220010220.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6324879 + ... + 9166598.

It is an arithmetic number, because the mean of its divisors is an integer number (390385245600).

Almost surely, 2^{22011220010220} is an apocalyptic number.

22011220010220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22011220010220 is an abundant number, since it is smaller than the sum of its proper divisors (52942747144980).

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

22011220010220 is a wasteful number, since it uses less digits than its factorization.

22011220010220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15491712 (or 15491710 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 22011220010220 its reverse (2201002211022), we get a palindrome (24212222221242).

The spelling of 22011220010220 in words is "twenty-two trillion, eleven billion, two hundred twenty million, ten thousand, two hundred twenty".