22120313020 has 48 divisors (see below), whose sum is σ = 52200993600. Its totient is φ = 7812389376.

The previous prime is 22120313009. The next prime is 22120313081. The reversal of 22120313020 is 2031302122.

It is a junction number, because it is equal to n+sod(n) for n = 22120312985 and 22120313003.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1843545 + ... + 1855504.

It is an arithmetic number, because the mean of its divisors is an integer number (1087520700).

Almost surely, 2^22120313020 is an apocalyptic number.

22120313020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22120313020 is an abundant number, since it is smaller than the sum of its proper divisors (30080680580).

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

22120313020 is a wasteful number, since it uses less digits than its factorization.

22120313020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3699094 (or 3699092 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 22120313020 its reverse (2031302122), we get a palindrome (24151615142).

The spelling of 22120313020 in words is "twenty-two billion, one hundred twenty million, three hundred thirteen thousand, twenty".