20243110103 has 4 divisors (see below), whose sum is σ = 20243396640. Its totient is φ = 20242823568.

The previous prime is 20243110067. The next prime is 20243110123. The reversal of 20243110103 is 30101134202.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 30101134202 = 2 ⋅15050567101.

It is a cyclic number.

It is not a de Polignac number, because 20243110103 - 2³² = 15948142807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20243110123) 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, 46418 + ... + 206496.

It is an arithmetic number, because the mean of its divisors is an integer number (5060849160).

Almost surely, 2^20243110103 is an apocalyptic number.

20243110103 is a deficient number, since it is larger than the sum of its proper divisors (286537).

20243110103 is a wasteful number, since it uses less digits than its factorization.

20243110103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286536.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 20243110103 its reverse (30101134202), we get a palindrome (50344244305).

The spelling of 20243110103 in words is "twenty billion, two hundred forty-three million, one hundred ten thousand, one hundred three".