20330310103 has 4 divisors (see below), whose sum is σ = 20340829528. Its totient is φ = 20319790680.

The previous prime is 20330310089. The next prime is 20330310131. The reversal of 20330310103 is 30101303302.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20330310103 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 (20330310703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5256813 + ... + 5260678.

It is an arithmetic number, because the mean of its divisors is an integer number (5085207382).

Almost surely, 2^20330310103 is an apocalyptic number.

20330310103 is a deficient number, since it is larger than the sum of its proper divisors (10519425).

20330310103 is a wasteful number, since it uses less digits than its factorization.

20330310103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10519424.

The product of its (nonzero) digits is 162, while the sum is 16.

Adding to 20330310103 its reverse (30101303302), we get a palindrome (50431613405).

The spelling of 20330310103 in words is "twenty billion, three hundred thirty million, three hundred ten thousand, one hundred three".