20310122203 has 12 divisors (see below), whose sum is σ = 23598354000. Its totient is φ = 17123266080.

The previous prime is 20310122167. The next prime is 20310122213. The reversal of 20310122203 is 30222101302.

It is not a de Polignac number, because 20310122203 - 2⁹ = 20310121691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20310122213) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 363828 + ... + 415921.

It is an arithmetic number, because the mean of its divisors is an integer number (1966529500).

Almost surely, 2^20310122203 is an apocalyptic number.

20310122203 is a deficient number, since it is larger than the sum of its proper divisors (3288231797).

20310122203 is an frugal number, since it uses more digits than its factorization.

20310122203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 779878 (or 779817 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 20310122203 its reverse (30222101302), we get a palindrome (50532223505).

The spelling of 20310122203 in words is "twenty billion, three hundred ten million, one hundred twenty-two thousand, two hundred three".