20043342103 has 4 divisors (see below), whose sum is σ = 20325642768. Its totient is φ = 19761041440.

The previous prime is 20043342097. The next prime is 20043342127. The reversal of 20043342103 is 30124334002.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 20043342103 - 2⁵ = 20043342071 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 (20043342133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141150226 + ... + 141150367.

It is an arithmetic number, because the mean of its divisors is an integer number (5081410692).

Almost surely, 2^20043342103 is an apocalyptic number.

20043342103 is a deficient number, since it is larger than the sum of its proper divisors (282300665).

20043342103 is an equidigital number, since it uses as much as digits as its factorization.

20043342103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282300664.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 20043342103 its reverse (30124334002), we get a palindrome (50167676105).

The spelling of 20043342103 in words is "twenty billion, forty-three million, three hundred forty-two thousand, one hundred three".