20323120112 has 10 divisors (see below), whose sum is σ = 39376045248. Its totient is φ = 10161560048.

The previous prime is 20323120109. The next prime is 20323120133. The reversal of 20323120112 is 21102132302.

It is a super-2 number, since 2×20323120112² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 635097488 + ... + 635097519.

Almost surely, 2^20323120112 is an apocalyptic number.

It is an amenable number.

20323120112 is a deficient number, since it is larger than the sum of its proper divisors (19052925136).

20323120112 is a wasteful number, since it uses less digits than its factorization.

20323120112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1270195015 (or 1270195009 counting only the distinct ones).

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

Adding to 20323120112 its reverse (21102132302), we get a palindrome (41425252414).

The spelling of 20323120112 in words is "twenty billion, three hundred twenty-three million, one hundred twenty thousand, one hundred twelve".