204320233133 has 4 divisors (see below), whose sum is σ = 204336799008. Its totient is φ = 204303667260.

The previous prime is 204320233129. The next prime is 204320233151. The reversal of 204320233133 is 331332023402.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 204320233133 - 2² = 204320233129 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204320233193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8264423 + ... + 8289108.

It is an arithmetic number, because the mean of its divisors is an integer number (51084199752).

Almost surely, 2^204320233133 is an apocalyptic number.

It is an amenable number.

204320233133 is a deficient number, since it is larger than the sum of its proper divisors (16565875).

204320233133 is a wasteful number, since it uses less digits than its factorization.

204320233133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16565874.

The product of its (nonzero) digits is 7776, while the sum is 26.

Adding to 204320233133 its reverse (331332023402), we get a palindrome (535652256535).

The spelling of 204320233133 in words is "two hundred four billion, three hundred twenty million, two hundred thirty-three thousand, one hundred thirty-three".