22123011020 has 48 divisors (see below), whose sum is σ = 50718140928. Its totient is φ = 8038964160.

The previous prime is 22123011011. The next prime is 22123011037. The reversal of 22123011020 is 2011032122.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22123010986 and 22123011004.

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, 277727 + ... + 348393.

It is an arithmetic number, because the mean of its divisors is an integer number (1056627936).

Almost surely, 2^22123011020 is an apocalyptic number.

22123011020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22123011020 is an abundant number, since it is smaller than the sum of its proper divisors (28595129908).

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

22123011020 is a wasteful number, since it uses less digits than its factorization.

22123011020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72110 (or 72108 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 22123011020 its reverse (2011032122), we get a palindrome (24134043142).

The spelling of 22123011020 in words is "twenty-two billion, one hundred twenty-three million, eleven thousand, twenty".