20311020010122 has 16 divisors (see below), whose sum is σ = 40768689987552. Its totient is φ = 6745898342160.

The previous prime is 20311020010117. The next prime is 20311020010147. The reversal of 20311020010122 is 22101002011302.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6110413504 + ... + 6110416827.

It is an arithmetic number, because the mean of its divisors is an integer number (2548043124222).

Almost surely, 2^{20311020010122} is an apocalyptic number.

20311020010122 is an abundant number, since it is smaller than the sum of its proper divisors (20457669977430).

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

20311020010122 is a wasteful number, since it uses less digits than its factorization.

20311020010122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12220830613.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 20311020010122 its reverse (22101002011302), we get a palindrome (42412022021424).

The spelling of 20311020010122 in words is "twenty trillion, three hundred eleven billion, twenty million, ten thousand, one hundred twenty-two".