20331130233 has 16 divisors (see below), whose sum is σ = 27709943040. Its totient is φ = 13253723136.

The previous prime is 20331130231. The next prime is 20331130247. The reversal of 20331130233 is 33203113302.

It is not a de Polignac number, because 20331130233 - 2¹ = 20331130231 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20331130231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92953 + ... + 222041.

It is an arithmetic number, because the mean of its divisors is an integer number (1731871440).

Almost surely, 2^20331130233 is an apocalyptic number.

It is an amenable number.

20331130233 is a deficient number, since it is larger than the sum of its proper divisors (7378812807).

20331130233 is a wasteful number, since it uses less digits than its factorization.

20331130233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130256.

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 20331130233 its reverse (33203113302), we get a palindrome (53534243535).

The spelling of 20331130233 in words is "twenty billion, three hundred thirty-one million, one hundred thirty thousand, two hundred thirty-three".