20321323233 has 8 divisors (see below), whose sum is σ = 27106831296. Its totient is φ = 13541682000.

The previous prime is 20321323199. The next prime is 20321323237. The reversal of 20321323233 is 33232312302.

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

It is not a de Polignac number, because 20321323233 - 2¹⁰ = 20321322209 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20321323237) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 1458618 + ... + 1472483.

It is an arithmetic number, because the mean of its divisors is an integer number (3388353912).

Almost surely, 2^20321323233 is an apocalyptic number.

It is an amenable number.

20321323233 is a deficient number, since it is larger than the sum of its proper divisors (6785508063).

20321323233 is a wasteful number, since it uses less digits than its factorization.

20321323233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2933415.

The product of its (nonzero) digits is 3888, while the sum is 24.

Adding to 20321323233 its reverse (33232312302), we get a palindrome (53553635535).

The spelling of 20321323233 in words is "twenty billion, three hundred twenty-one million, three hundred twenty-three thousand, two hundred thirty-three".