20303323112 has 16 divisors (see below), whose sum is σ = 38071433700. Its totient is φ = 10150940800.

The previous prime is 20303323109. The next prime is 20303323129. The reversal of 20303323112 is 21132330302.

It can be written as a sum of positive squares in 2 ways, for example, as 18280662436 + 2022660676 = 135206^2 + 44974^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40814 + ... + 205602.

Almost surely, 2^20303323112 is an apocalyptic number.

It is an amenable number.

20303323112 is a deficient number, since it is larger than the sum of its proper divisors (17768110588).

20303323112 is a wasteful number, since it uses less digits than its factorization.

20303323112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180196 (or 180192 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 20303323112 its reverse (21132330302), we get a palindrome (41435653414).

The spelling of 20303323112 in words is "twenty billion, three hundred three million, three hundred twenty-three thousand, one hundred twelve".