22123030020 has 96 divisors (see below), whose sum is σ = 76239383808. Its totient is φ = 4667715072.

The previous prime is 22123029961. The next prime is 22123030031. The reversal of 22123030020 is 2003032122.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2020459 + ... + 2031378.

It is an arithmetic number, because the mean of its divisors is an integer number (794160248).

Almost surely, 2^22123030020 is an apocalyptic number.

22123030020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22123030020 is an abundant number, since it is smaller than the sum of its proper divisors (54116353788).

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

22123030020 is a wasteful number, since it uses less digits than its factorization.

22123030020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4051869 (or 4051867 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 22123030020 its reverse (2003032122), we get a palindrome (24126062142).

The spelling of 22123030020 in words is "twenty-two billion, one hundred twenty-three million, thirty thousand, twenty".