20310132203 has 4 divisors (see below), whose sum is σ = 21504845880. Its totient is φ = 19115418528.

The previous prime is 20310132163. The next prime is 20310132217. The reversal of 20310132203 is 30223101302.

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

It is not a de Polignac number, because 20310132203 - 2²⁴ = 20293354987 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 1194713659 = 20310132203 / (2 + 0 + 3 + 1 + 0 + 1 + 3 + 2 + 2 + 0 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20310132263) 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 3 ways as a sum of consecutive naturals, for example, 597356813 + ... + 597356846.

It is an arithmetic number, because the mean of its divisors is an integer number (5376211470).

Almost surely, 2^20310132203 is an apocalyptic number.

20310132203 is a deficient number, since it is larger than the sum of its proper divisors (1194713677).

20310132203 is a wasteful number, since it uses less digits than its factorization.

20310132203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1194713676.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 20310132203 its reverse (30223101302), we get a palindrome (50533233505).

The spelling of 20310132203 in words is "twenty billion, three hundred ten million, one hundred thirty-two thousand, two hundred three".