20324203 has 4 divisors (see below), whose sum is σ = 21207888. Its totient is φ = 19440520.

The previous prime is 20324201. The next prime is 20324207. The reversal of 20324203 is 30242302.

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

It is not a de Polignac number, because 20324203 - 2¹ = 20324201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20324201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 441808 + ... + 441853.

It is an arithmetic number, because the mean of its divisors is an integer number (5301972).

Almost surely, 2^20324203 is an apocalyptic number.

20324203 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

20324203 is a deficient number, since it is larger than the sum of its proper divisors (883685).

20324203 is an equidigital number, since it uses as much as digits as its factorization.

20324203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 883684.

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 20324203 is about 4508.2372386555. The cubic root of 20324203 is about 272.9006109960.

Adding to 20324203 its reverse (30242302), we get a palindrome (50566505).

The spelling of 20324203 in words is "twenty million, three hundred twenty-four thousand, two hundred three".