20202021010122 has 64 divisors (see below), whose sum is σ = 48892906782720. Its totient is φ = 5432407278336.

The previous prime is 20202021010109. The next prime is 20202021010151. The reversal of 20202021010122 is 22101012020202.

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 31 ways as a sum of consecutive naturals, for example, 83193279 + ... + 83435757.

It is an arithmetic number, because the mean of its divisors is an integer number (763951668480).

Almost surely, 2^{20202021010122} is an apocalyptic number.

20202021010122 is an abundant number, since it is smaller than the sum of its proper divisors (28690885772598).

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

20202021010122 is a wasteful number, since it uses less digits than its factorization.

20202021010122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359195.

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

Adding to 20202021010122 its reverse (22101012020202), we get a palindrome (42303033030324).

The spelling of 20202021010122 in words is "twenty trillion, two hundred two billion, twenty-one million, ten thousand, one hundred twenty-two".