20341111103 has 4 divisors (see below), whose sum is σ = 20341399848. Its totient is φ = 20340822360.

The previous prime is 20341111051. The next prime is 20341111123. The reversal of 20341111103 is 30111114302.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20341111103 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 (20341111123) 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, 38573 + ... + 205353.

It is an arithmetic number, because the mean of its divisors is an integer number (5085349962).

Almost surely, 2^20341111103 is an apocalyptic number.

20341111103 is a deficient number, since it is larger than the sum of its proper divisors (288745).

20341111103 is a wasteful number, since it uses less digits than its factorization.

20341111103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288744.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 20341111103 its reverse (30111114302), we get a palindrome (50452225405).

The spelling of 20341111103 in words is "twenty billion, three hundred forty-one million, one hundred eleven thousand, one hundred three".