20004303 has 16 divisors (see below), whose sum is σ = 29172096. Its totient is φ = 12092640.

The previous prime is 20004289. The next prime is 20004307. The reversal of 20004303 is 30340002.

It is not a de Polignac number, because 20004303 - 2⁶ = 20004239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20004307) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23776 + ... + 24602.

It is an arithmetic number, because the mean of its divisors is an integer number (1823256).

Almost surely, 2^20004303 is an apocalyptic number.

20004303 is a deficient number, since it is larger than the sum of its proper divisors (9167793).

20004303 is a wasteful number, since it uses less digits than its factorization.

20004303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1574.

The product of its (nonzero) digits is 72, while the sum is 12.

The square root of 20004303 is about 4472.6170191511. The cubic root of 20004303 is about 271.4612271619.

Adding to 20004303 its reverse (30340002), we get a palindrome (50344305).

The spelling of 20004303 in words is "twenty million, four thousand, three hundred three".