20123222022 has 24 divisors (see below), whose sum is σ = 44032004640. Its totient is φ = 6641326800.

The previous prime is 20123221957. The next prime is 20123222051. The reversal of 20123222022 is 22022232102.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 20123221986 and 20123222004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5532622 + ... + 5536257.

It is an arithmetic number, because the mean of its divisors is an integer number (1834666860).

Almost surely, 2^20123222022 is an apocalyptic number.

20123222022 is an abundant number, since it is smaller than the sum of its proper divisors (23908782618).

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

20123222022 is a wasteful number, since it uses less digits than its factorization.

20123222022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11068988 (or 11068985 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 20123222022 its reverse (22022232102), we get a palindrome (42145454124).

The spelling of 20123222022 in words is "twenty billion, one hundred twenty-three million, two hundred twenty-two thousand, twenty-two".