20200323203 has 4 divisors (see below), whose sum is σ = 20328987840. Its totient is φ = 20071658568.

The previous prime is 20200323193. The next prime is 20200323239. The reversal of 20200323203 is 30232300202.

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

It is a cyclic number.

It is not a de Polignac number, because 20200323203 - 2⁶ = 20200323139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20200323263) 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, 64332083 + ... + 64332396.

It is an arithmetic number, because the mean of its divisors is an integer number (5082246960).

Almost surely, 2^20200323203 is an apocalyptic number.

20200323203 is a deficient number, since it is larger than the sum of its proper divisors (128664637).

20200323203 is a wasteful number, since it uses less digits than its factorization.

20200323203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128664636.

The product of its (nonzero) digits is 432, while the sum is 17.

Adding to 20200323203 its reverse (30232300202), we get a palindrome (50432623405).

The spelling of 20200323203 in words is "twenty billion, two hundred million, three hundred twenty-three thousand, two hundred three".