22021320300220 has 24 divisors (see below), whose sum is σ = 46264783447008. Its totient is φ = 8804716536000.

The previous prime is 22021320300167. The next prime is 22021320300241. The reversal of 22021320300220 is 2200302312022.

It is a congruent number.

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, 238176631 + ... + 238269070.

It is an arithmetic number, because the mean of its divisors is an integer number (1927699310292).

Almost surely, 2^{22021320300220} is an apocalyptic number.

22021320300220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22021320300220 is an abundant number, since it is smaller than the sum of its proper divisors (24243463146788).

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

22021320300220 is a wasteful number, since it uses less digits than its factorization.

22021320300220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476448021 (or 476448019 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 22021320300220 its reverse (2200302312022), we get a palindrome (24221622612242).

The spelling of 22021320300220 in words is "twenty-two trillion, twenty-one billion, three hundred twenty million, three hundred thousand, two hundred twenty".