22020221222320 has 40 divisors (see below), whose sum is σ = 51212202454800. Its totient is φ = 8805475480320.

The previous prime is 22020221222299. The next prime is 22020221222411. The reversal of 22020221222320 is 2322212202022.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×22020221222320² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22020221222291 and 22020221222300.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40556895 + ... + 41096254.

It is an arithmetic number, because the mean of its divisors is an integer number (1280305061370).

Almost surely, 2^{22020221222320} is an apocalyptic number.

22020221222320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22020221222320 is an abundant number, since it is smaller than the sum of its proper divisors (29191981232480).

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

22020221222320 is a wasteful number, since it uses less digits than its factorization.

22020221222320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81656533 (or 81656527 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 22020221222320 its reverse (2322212202022), we get a palindrome (24342433424342).

The spelling of 22020221222320 in words is "twenty-two trillion, twenty billion, two hundred twenty-one million, two hundred twenty-two thousand, three hundred twenty".