22021120133320 has 128 divisors (see below), whose sum is σ = 61775385557760. Its totient is φ = 6863519784960.

The previous prime is 22021120133317. The next prime is 22021120133329. The reversal of 22021120133320 is 2333102112022.

It is a super-2 number, since 2×22021120133320² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 22021120133291 and 22021120133300.

It is not an unprimeable number, because it can be changed into a prime (22021120133329) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 126984912 + ... + 127158208.

It is an arithmetic number, because the mean of its divisors is an integer number (482620199670).

Almost surely, 2^{22021120133320} is an apocalyptic number.

22021120133320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22021120133320 is an abundant number, since it is smaller than the sum of its proper divisors (39754265424440).

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

22021120133320 is a wasteful number, since it uses less digits than its factorization.

22021120133320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214583 (or 214579 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 22021120133320 its reverse (2333102112022), we get a palindrome (24354222245342).

The spelling of 22021120133320 in words is "twenty-two trillion, twenty-one billion, one hundred twenty million, one hundred thirty-three thousand, three hundred twenty".