22122021200220 has 72 divisors (see below), whose sum is σ = 67104626853264. Its totient is φ = 5899103451648.

The previous prime is 22122021200197. The next prime is 22122021200269. The reversal of 22122021200220 is 2200212022122.

22122021200220 is a `hidden beast` number, since 2 + 2 + 1 + 220 + 21 + 200 + 220 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 22122021200193 and 22122021200202.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 9652947 + ... + 11722773.

Almost surely, 2^{22122021200220} is an apocalyptic number.

22122021200220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22122021200220 is an abundant number, since it is smaller than the sum of its proper divisors (44982605653044).

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

22122021200220 is a wasteful number, since it uses less digits than its factorization.

22122021200220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2129219 (or 2129214 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 22122021200220 its reverse (2200212022122), we get a palindrome (24322233222342).

The spelling of 22122021200220 in words is "twenty-two trillion, one hundred twenty-two billion, twenty-one million, two hundred thousand, two hundred twenty".