20200002221022 has 128 divisors (see below), whose sum is σ = 46431333527040. Its totient is φ = 5803633152000.

The previous prime is 20200002221011. The next prime is 20200002221051. The reversal of 20200002221022 is 22012220000202.

It is a junction number, because it is equal to n+sod(n) for n = 20200002220992 and 20200002221010.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 122900397 + ... + 123064647.

It is an arithmetic number, because the mean of its divisors is an integer number (362744793180).

Almost surely, 2^{20200002221022} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20200002221022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23215666763520).

20200002221022 is an abundant number, since it is smaller than the sum of its proper divisors (26231331306018).

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

20200002221022 is a wasteful number, since it uses less digits than its factorization.

20200002221022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165018.

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 20200002221022 its reverse (22012220000202), we get a palindrome (42212222221224).

The spelling of 20200002221022 in words is "twenty trillion, two hundred billion, two million, two hundred twenty-one thousand, twenty-two".