20344134543103 has 24 divisors (see below), whose sum is σ = 24193890654912. Its totient is φ = 17049341481984.

The previous prime is 20344134543071. The next prime is 20344134543133. The reversal of 20344134543103 is 30134543144302.

It is not a de Polignac number, because 20344134543103 - 2⁵ = 20344134543071 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 (20344134543133) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2270826 + ... + 6770887.

It is an arithmetic number, because the mean of its divisors is an integer number (1008078777288).

Almost surely, 2^{20344134543103} is an apocalyptic number.

20344134543103 is a deficient number, since it is larger than the sum of its proper divisors (3849756111809).

20344134543103 is an equidigital number, since it uses as much as digits as its factorization.

20344134543103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9042751 (or 9042744 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 37.

Adding to 20344134543103 its reverse (30134543144302), we get a palindrome (50478677687405).

The spelling of 20344134543103 in words is "twenty trillion, three hundred forty-four billion, one hundred thirty-four million, five hundred forty-three thousand, one hundred three".