22211022020 has 48 divisors (see below), whose sum is σ = 50945823936. Its totient is φ = 8066832000.

The previous prime is 22211022017. The next prime is 22211022083. The reversal of 22211022020 is 2022011222.

It is a junction number, because it is equal to n+sod(n) for n = 22211021986 and 22211022004.

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, 119135 + ... + 242105.

It is an arithmetic number, because the mean of its divisors is an integer number (1061371332).

Almost surely, 2^22211022020 is an apocalyptic number.

22211022020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22211022020 is an abundant number, since it is smaller than the sum of its proper divisors (28734801916).

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

22211022020 is a wasteful number, since it uses less digits than its factorization.

22211022020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123812 (or 123810 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 22211022020 its reverse (2022011222), we get a palindrome (24233033242).

The spelling of 22211022020 in words is "twenty-two billion, two hundred eleven million, twenty-two thousand, twenty".