20330331233 has 8 divisors (see below), whose sum is σ = 20812229760. Its totient is φ = 19850488560.

The previous prime is 20330331221. The next prime is 20330331253. The reversal of 20330331233 is 33213303302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20330331233 - 2⁶ = 20330331169 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20330331199 and 20330331208.

It is not an unprimeable number, because it can be changed into a prime (20330331253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 493943 + ... + 533516.

It is an arithmetic number, because the mean of its divisors is an integer number (2601528720).

Almost surely, 2^20330331233 is an apocalyptic number.

It is an amenable number.

20330331233 is a deficient number, since it is larger than the sum of its proper divisors (481898527).

20330331233 is a wasteful number, since it uses less digits than its factorization.

20330331233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1027927.

The product of its (nonzero) digits is 2916, while the sum is 23.

Adding to 20330331233 its reverse (33213303302), we get a palindrome (53543634535).

The spelling of 20330331233 in words is "twenty billion, three hundred thirty million, three hundred thirty-one thousand, two hundred thirty-three".