20200021210122 has 64 divisors (see below), whose sum is σ = 43822774087680. Its totient is φ = 6170390136000.

The previous prime is 20200021210081. The next prime is 20200021210183. The reversal of 20200021210122 is 22101212000202.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 459581247 + ... + 459625197.

It is an arithmetic number, because the mean of its divisors is an integer number (684730845120).

Almost surely, 2^{20200021210122} is an apocalyptic number.

20200021210122 is an abundant number, since it is smaller than the sum of its proper divisors (23622752877558).

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

20200021210122 is a wasteful number, since it uses less digits than its factorization.

20200021210122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86499.

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

Adding to 20200021210122 its reverse (22101212000202), we get a palindrome (42301233210324).

The spelling of 20200021210122 in words is "twenty trillion, two hundred billion, twenty-one million, two hundred ten thousand, one hundred twenty-two".