20032112272 has 20 divisors (see below), whose sum is σ = 38878355376. Its totient is φ = 9998988320.

The previous prime is 20032112213. The next prime is 20032112273. The reversal of 20032112272 is 27221123002.

It is not an unprimeable number, because it can be changed into a prime (20032112273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1057054 + ... + 1075837.

Almost surely, 2^20032112272 is an apocalyptic number.

It is an amenable number.

20032112272 is a deficient number, since it is larger than the sum of its proper divisors (18846243104).

20032112272 is a wasteful number, since it uses less digits than its factorization.

20032112272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2133486 (or 2133480 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

Adding to 20032112272 its reverse (27221123002), we get a palindrome (47253235274).

The spelling of 20032112272 in words is "twenty billion, thirty-two million, one hundred twelve thousand, two hundred seventy-two".