20103232112 has 40 divisors (see below), whose sum is σ = 41129547600. Its totient is φ = 9492498432.

The previous prime is 20103232111. The next prime is 20103232181. The reversal of 20103232112 is 21123230102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20103232111) 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, 7937 + ... + 200672.

It is an arithmetic number, because the mean of its divisors is an integer number (1028238690).

Almost surely, 2^20103232112 is an apocalyptic number.

It is an amenable number.

20103232112 is an abundant number, since it is smaller than the sum of its proper divisors (21026315488).

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

20103232112 is a wasteful number, since it uses less digits than its factorization.

20103232112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208953 (or 208947 counting only the distinct ones).

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

Adding to 20103232112 its reverse (21123230102), we get a palindrome (41226462214).

The spelling of 20103232112 in words is "twenty billion, one hundred three million, two hundred thirty-two thousand, one hundred twelve".