20000321233 has 8 divisors (see below), whose sum is σ = 20495855016. Its totient is φ = 19505155200.

The previous prime is 20000321227. The next prime is 20000321239. The reversal of 20000321233 is 33212300002.

It is an interprime number because it is at equal distance from previous prime (20000321227) and next prime (20000321239).

It can be written as a sum of positive squares in 4 ways, for example, as 1030217409 + 18970103824 = 32097^2 + 137732^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20000321233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20000321239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19843 + ... + 200983.

It is an arithmetic number, because the mean of its divisors is an integer number (2561981877).

Almost surely, 2^20000321233 is an apocalyptic number.

It is an amenable number.

20000321233 is a deficient number, since it is larger than the sum of its proper divisors (495533783).

20000321233 is a wasteful number, since it uses less digits than its factorization.

20000321233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183875.

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 20000321233 its reverse (33212300002), we get a palindrome (53212621235).

The spelling of 20000321233 in words is "twenty billion, three hundred twenty-one thousand, two hundred thirty-three".