20120222222022 has 32 divisors (see below), whose sum is σ = 43555842281952. Its totient is φ = 6159412030464.

The previous prime is 20120222221997. The next prime is 20120222222059. The reversal of 20120222222022 is 22022222202102.

It is a self number, because there is not a number n which added to its sum of digits gives 20120222222022.

It is a congruent number.

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, 654684043 + ... + 654714774.

It is an arithmetic number, because the mean of its divisors is an integer number (1361120071311).

Almost surely, 2^{20120222222022} is an apocalyptic number.

20120222222022 is an abundant number, since it is smaller than the sum of its proper divisors (23435620059930).

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

20120222222022 is a wasteful number, since it uses less digits than its factorization.

20120222222022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1309399032.

The product of its (nonzero) digits is 1024, while the sum is 21.

Adding to 20120222222022 its reverse (22022222202102), we get a palindrome (42142444424124).

The spelling of 20120222222022 in words is "twenty trillion, one hundred twenty billion, two hundred twenty-two million, two hundred twenty-two thousand, twenty-two".