20103122203 has 4 divisors (see below), whose sum is σ = 20751610048. Its totient is φ = 19454634360.

The previous prime is 20103122189. The next prime is 20103122233. The reversal of 20103122203 is 30222130102.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30222130102 = 2 ⋅15111065051.

It is a cyclic number.

It is not a de Polignac number, because 20103122203 - 2¹⁷ = 20102991131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20103122233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 324243876 + ... + 324243937.

It is an arithmetic number, because the mean of its divisors is an integer number (5187902512).

Almost surely, 2^20103122203 is an apocalyptic number.

20103122203 is a deficient number, since it is larger than the sum of its proper divisors (648487845).

20103122203 is an equidigital number, since it uses as much as digits as its factorization.

20103122203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 648487844.

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

Adding to 20103122203 its reverse (30222130102), we get a palindrome (50325252305).

It can be divided in two parts, 2010 and 3122203, that added together give a palindrome (3124213).

The spelling of 20103122203 in words is "twenty billion, one hundred three million, one hundred twenty-two thousand, two hundred three".