22100232231020 has 24 divisors (see below), whose sum is σ = 46410652955184. Its totient is φ = 8840061412416.

The previous prime is 22100232230977. The next prime is 22100232231041. The reversal of 22100232231020 is 2013223200122.

It is a happy number.

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 = 22100232230983 and 22100232231001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4271819 + ... + 7902461.

It is an arithmetic number, because the mean of its divisors is an integer number (1933777206466).

Almost surely, 2^{22100232231020} is an apocalyptic number.

22100232231020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22100232231020 is an abundant number, since it is smaller than the sum of its proper divisors (24310420724164).

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

22100232231020 is a wasteful number, since it uses less digits than its factorization.

22100232231020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3935009 (or 3935007 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 22100232231020 its reverse (2013223200122), we get a palindrome (24113455431142).

The spelling of 22100232231020 in words is "twenty-two trillion, one hundred billion, two hundred thirty-two million, two hundred thirty-one thousand, twenty".