22021563016220 has 48 divisors (see below), whose sum is σ = 46827475688448. Its totient is φ = 8697844710720.

The previous prime is 22021563016111. The next prime is 22021563016291. The reversal of 22021563016220 is 2261036512022.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 439304 + ... + 6651023.

It is an arithmetic number, because the mean of its divisors is an integer number (975572410176).

Almost surely, 2^{22021563016220} is an apocalyptic number.

22021563016220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22021563016220 is an abundant number, since it is smaller than the sum of its proper divisors (24805912672228).

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

22021563016220 is a wasteful number, since it uses less digits than its factorization.

22021563016220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7092290 (or 7092288 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

Adding to 22021563016220 its reverse (2261036512022), we get a palindrome (24282599528242).

The spelling of 22021563016220 in words is "twenty-two trillion, twenty-one billion, five hundred sixty-three million, sixteen thousand, two hundred twenty".