22212011322020 has 48 divisors (see below), whose sum is σ = 50702788237248. Its totient is φ = 8124709810560.

The previous prime is 22212011322019. The next prime is 22212011322113. The reversal of 22212011322020 is 2022311021222.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 22212011321983 and 22212011322001.

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, 399181586 + ... + 399237225.

It is an arithmetic number, because the mean of its divisors is an integer number (1056308088276).

Almost surely, 2^{22212011322020} is an apocalyptic number.

22212011322020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22212011322020 is an abundant number, since it is smaller than the sum of its proper divisors (28490776915228).

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

22212011322020 is a wasteful number, since it uses less digits than its factorization.

22212011322020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 798418940 (or 798418938 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 22212011322020 its reverse (2022311021222), we get a palindrome (24234322343242).

The spelling of 22212011322020 in words is "twenty-two trillion, two hundred twelve billion, eleven million, three hundred twenty-two thousand, twenty".