22022122020 has 48 divisors (see below), whose sum is σ = 61680927168. Its totient is φ = 5870757760.

The previous prime is 22022121983. The next prime is 22022122049. The reversal of 22022122020 is 2022122022.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145990 + ... + 255650.

It is an arithmetic number, because the mean of its divisors is an integer number (1285019316).

Almost surely, 2^22022122020 is an apocalyptic number.

22022122020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22022122020 is an abundant number, since it is smaller than the sum of its proper divisors (39658805148).

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

22022122020 is a wasteful number, since it uses less digits than its factorization.

22022122020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113020 (or 113018 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 22022122020 its reverse (2022122022), we get a palindrome (24044244042).

The spelling of 22022122020 in words is "twenty-two billion, twenty-two million, one hundred twenty-two thousand, twenty".