20200121021022 has 32 divisors (see below), whose sum is σ = 40409079524352. Its totient is φ = 6731900960064.

The previous prime is 20200121021021. The next prime is 20200121021057. The reversal of 20200121021022 is 22012012100202.

It is a junction number, because it is equal to n+sod(n) for n = 20200121020992 and 20200121021010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20200121021021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 719953218 + ... + 719981274.

It is an arithmetic number, because the mean of its divisors is an integer number (1262783735136).

Almost surely, 2^{20200121021022} is an apocalyptic number.

20200121021022 is an abundant number, since it is smaller than the sum of its proper divisors (20208958503330).

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

20200121021022 is a wasteful number, since it uses less digits than its factorization.

20200121021022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50032.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 20200121021022 its reverse (22012012100202), we get a palindrome (42212133121224).

The spelling of 20200121021022 in words is "twenty trillion, two hundred billion, one hundred twenty-one million, twenty-one thousand, twenty-two".