20323111122 has 48 divisors (see below), whose sum is σ = 44622323928. Its totient is φ = 6684230400.

The previous prime is 20323111079. The next prime is 20323111141. The reversal of 20323111122 is 22111132302.

20323111122 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 18618329601 + 1704781521 = 136449^2 + 41289^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 20323111095 and 20323111104.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 513598 + ... + 551750.

Almost surely, 2^20323111122 is an apocalyptic number.

20323111122 is an abundant number, since it is smaller than the sum of its proper divisors (24299212806).

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

20323111122 is a wasteful number, since it uses less digits than its factorization.

20323111122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38555 (or 38552 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 20323111122 its reverse (22111132302), we get a palindrome (42434243424).

The spelling of 20323111122 in words is "twenty billion, three hundred twenty-three million, one hundred eleven thousand, one hundred twenty-two".