20201121020022 has 32 divisors (see below), whose sum is σ = 41707765416960. Its totient is φ = 6516142956960.

The previous prime is 20201121019921. The next prime is 20201121020039. The reversal of 20201121020022 is 22002012110202.

It is a junction number, because it is equal to n+sod(n) for n = 20201121019983 and 20201121020010.

It is a congruent number.

It is an unprimeable number.

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, 609304 + ... + 6385412.

It is an arithmetic number, because the mean of its divisors is an integer number (1303367669280).

Almost surely, 2^{20201121020022} is an apocalyptic number.

20201121020022 is an abundant number, since it is smaller than the sum of its proper divisors (21506644396938).

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

20201121020022 is a wasteful number, since it uses less digits than its factorization.

20201121020022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5794948.

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

Adding to 20201121020022 its reverse (22002012110202), we get a palindrome (42203133130224).

The spelling of 20201121020022 in words is "twenty trillion, two hundred one billion, one hundred twenty-one million, twenty thousand, twenty-two".