20221022120 has 64 divisors (see below), whose sum is σ = 49013233920. Its totient is φ = 7463764224.

The previous prime is 20221022077. The next prime is 20221022141. The reversal of 20221022120 is 2122012202.

It is a junction number, because it is equal to n+sod(n) for n = 20221022095 and 20221022104.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2566427 + ... + 2574293.

It is an arithmetic number, because the mean of its divisors is an integer number (765831780).

Almost surely, 2^20221022120 is an apocalyptic number.

20221022120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20221022120 is an abundant number, since it is smaller than the sum of its proper divisors (28792211800).

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

20221022120 is a wasteful number, since it uses less digits than its factorization.

20221022120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12834 (or 12830 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 20221022120 its reverse (2122012202), we get a palindrome (22343034322).

The spelling of 20221022120 in words is "twenty billion, two hundred twenty-one million, twenty-two thousand, one hundred twenty".