20004123303 has 24 divisors (see below), whose sum is σ = 29173544400. Its totient is φ = 13207567104.

The previous prime is 20004123299. The next prime is 20004123311. The reversal of 20004123303 is 30332140002.

It is not a de Polignac number, because 20004123303 - 2² = 20004123299 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20004123313) 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 23 ways as a sum of consecutive naturals, for example, 3193951 + ... + 3200207.

It is an arithmetic number, because the mean of its divisors is an integer number (1215564350).

Almost surely, 2^20004123303 is an apocalyptic number.

20004123303 is a deficient number, since it is larger than the sum of its proper divisors (9169421097).

20004123303 is a wasteful number, since it uses less digits than its factorization.

20004123303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9631 (or 9628 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 20004123303 its reverse (30332140002), we get a palindrome (50336263305).

The spelling of 20004123303 in words is "twenty billion, four million, one hundred twenty-three thousand, three hundred three".