20103232122 has 48 divisors (see below), whose sum is σ = 46135089000. Its totient is φ = 6304720896.

The previous prime is 20103232111. The next prime is 20103232181. The reversal of 20103232122 is 22123230102.

It can be written as a sum of positive squares in 4 ways, for example, as 19404211401 + 699020721 = 139299^2 + 26439^2 .

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 = 20103232095 and 20103232104.

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, 1034754 + ... + 1054002.

Almost surely, 2^20103232122 is an apocalyptic number.

20103232122 is an abundant number, since it is smaller than the sum of its proper divisors (26031856878).

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

20103232122 is a wasteful number, since it uses less digits than its factorization.

20103232122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22687 (or 22684 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 20103232122 its reverse (22123230102), we get a palindrome (42226462224).

The spelling of 20103232122 in words is "twenty billion, one hundred three million, two hundred thirty-two thousand, one hundred twenty-two".