20340103 has 8 divisors (see below), whose sum is σ = 23273120. Its totient is φ = 17413920.

The previous prime is 20340101. The next prime is 20340167. The reversal of 20340103 is 30104302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20340103 - 2¹ = 20340101 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 (20340101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10813 + ... + 12553.

It is an arithmetic number, because the mean of its divisors is an integer number (2909140).

Almost surely, 2^20340103 is an apocalyptic number.

20340103 is a deficient number, since it is larger than the sum of its proper divisors (2933017).

20340103 is a wasteful number, since it uses less digits than its factorization.

20340103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3417.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 20340103 is about 4510.0003325942. Note that the first 3 decimals coincide. The cubic root of 20340103 is about 272.9717575116.

Adding to 20340103 its reverse (30104302), we get a palindrome (50444405).

The spelling of 20340103 in words is "twenty million, three hundred forty thousand, one hundred three".