22100331020 has 24 divisors (see below), whose sum is σ = 48011065200. Its totient is φ = 8535300032.

The previous prime is 22100330971. The next prime is 22100331031. The reversal of 22100331020 is 2013300122.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22100330986 and 22100331004.

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, 19051430 + ... + 19052589.

It is an arithmetic number, because the mean of its divisors is an integer number (2000461050).

Almost surely, 2^22100331020 is an apocalyptic number.

22100331020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22100331020 is an abundant number, since it is smaller than the sum of its proper divisors (25910734180).

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

22100331020 is a wasteful number, since it uses less digits than its factorization.

22100331020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38104057 (or 38104055 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 22100331020 its reverse (2013300122), we get a palindrome (24113631142).

The spelling of 22100331020 in words is "twenty-two billion, one hundred million, three hundred thirty-one thousand, twenty".