20310321122 has 16 divisors (see below), whose sum is σ = 37495977792. Its totient is φ = 8034852240.

The previous prime is 20310321067. The next prime is 20310321127. The reversal of 20310321122 is 22112301302.

It is a self number, because there is not a number n which added to its sum of digits gives 20310321122.

It is not an unprimeable number, because it can be changed into a prime (20310321127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55797404 + ... + 55797767.

It is an arithmetic number, because the mean of its divisors is an integer number (2343498612).

Almost surely, 2^20310321122 is an apocalyptic number.

20310321122 is a deficient number, since it is larger than the sum of its proper divisors (17185656670).

20310321122 is a wasteful number, since it uses less digits than its factorization.

20310321122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111595193.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 20310321122 its reverse (22112301302), we get a palindrome (42422622424).

The spelling of 20310321122 in words is "twenty billion, three hundred ten million, three hundred twenty-one thousand, one hundred twenty-two".