20202212222022 has 16 divisors (see below), whose sum is σ = 40404678511680. Its totient is φ = 6734028396072.

The previous prime is 20202212221951. The next prime is 20202212222069. The reversal of 20202212222022 is 22022221220202.

It is a self number, because there is not a number n which added to its sum of digits gives 20202212222022.

It is a congruent number.

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, 9544572 + ... + 11467487.

It is an arithmetic number, because the mean of its divisors is an integer number (2525292406980).

Almost surely, 2^{20202212222022} is an apocalyptic number.

20202212222022 is an abundant number, since it is smaller than the sum of its proper divisors (20202466289658).

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

20202212222022 is a wasteful number, since it uses less digits than its factorization.

20202212222022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21172307.

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

Adding to 20202212222022 its reverse (22022221220202), we get a palindrome (42224433442224).

The spelling of 20202212222022 in words is "twenty trillion, two hundred two billion, two hundred twelve million, two hundred twenty-two thousand, twenty-two".