22116320020 has 24 divisors (see below), whose sum is σ = 46555135200. Its totient is φ = 8825411232.

The previous prime is 22116320011. The next prime is 22116320077. The reversal of 22116320020 is 2002361122.

It is a super-2 number, since 2×22116320020² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22116320020.

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, 1311210 + ... + 1327969.

It is an arithmetic number, because the mean of its divisors is an integer number (1939797300).

Almost surely, 2^22116320020 is an apocalyptic number.

22116320020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22116320020 is an abundant number, since it is smaller than the sum of its proper divisors (24438815180).

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

22116320020 is a wasteful number, since it uses less digits than its factorization.

22116320020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2639607 (or 2639605 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 22116320020 its reverse (2002361122), we get a palindrome (24118681142).

The spelling of 22116320020 in words is "twenty-two billion, one hundred sixteen million, three hundred twenty thousand, twenty".