20043203 has 4 divisors (see below), whose sum is σ = 20509368. Its totient is φ = 19577040.

The previous prime is 20043181. The next prime is 20043211. The reversal of 20043203 is 30234002.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 20043203 - 2⁸ = 20042947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20043223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 233018 + ... + 233103.

It is an arithmetic number, because the mean of its divisors is an integer number (5127342).

Almost surely, 2^20043203 is an apocalyptic number.

20043203 is a deficient number, since it is larger than the sum of its proper divisors (466165).

20043203 is an equidigital number, since it uses as much as digits as its factorization.

20043203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466164.

The product of its (nonzero) digits is 144, while the sum is 14.

The square root of 20043203 is about 4476.9635915428. The cubic root of 20043203 is about 271.6370727337.

Adding to 20043203 its reverse (30234002), we get a palindrome (50277205).

The spelling of 20043203 in words is "twenty million, forty-three thousand, two hundred three".