20200121202022 has 32 divisors (see below), whose sum is σ = 31860813456000. Its totient is φ = 9591331747200.

The previous prime is 20200121202017. The next prime is 20200121202043. The reversal of 20200121202022 is 22020212100202.

It is a junction number, because it is equal to n+sod(n) for n = 20200121201987 and 20200121202005.

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, 60797604 + ... + 61128952.

It is an arithmetic number, because the mean of its divisors is an integer number (995650420500).

Almost surely, 2^{20200121202022} is an apocalyptic number.

20200121202022 is a deficient number, since it is larger than the sum of its proper divisors (11660692253978).

20200121202022 is a wasteful number, since it uses less digits than its factorization.

20200121202022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348672.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 20200121202022 its reverse (22020212100202), we get a palindrome (42220333302224).

The spelling of 20200121202022 in words is "twenty trillion, two hundred billion, one hundred twenty-one million, two hundred two thousand, twenty-two".