20201320310122 has 32 divisors (see below), whose sum is σ = 35072889937920. Its totient is φ = 8547217988400.

The previous prime is 20201320310029. The next prime is 20201320310147. The reversal of 20201320310122 is 22101302310202.

It is a self number, because there is not a number n which added to its sum of digits gives 20201320310122.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9607213 + ... + 11519599.

It is an arithmetic number, because the mean of its divisors is an integer number (1096027810560).

Almost surely, 2^{20201320310122} is an apocalyptic number.

20201320310122 is a deficient number, since it is larger than the sum of its proper divisors (14871569627798).

20201320310122 is a wasteful number, since it uses less digits than its factorization.

20201320310122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1922026.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 20201320310122 its reverse (22101302310202), we get a palindrome (42302622620324).

The spelling of 20201320310122 in words is "twenty trillion, two hundred one billion, three hundred twenty million, three hundred ten thousand, one hundred twenty-two".