10020320202103 has 4 divisors (see below), whose sum is σ = 10020326616520. Its totient is φ = 10020313787688.

The previous prime is 10020320202073. The next prime is 10020320202173. The reversal of 10020320202103 is 30120202302001.

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-10020320202103 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 (10020320202173) 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, 830176 + ... + 4553002.

It is an arithmetic number, because the mean of its divisors is an integer number (2505081654130).

Almost surely, 2^{10020320202103} is an apocalyptic number.

10020320202103 is a deficient number, since it is larger than the sum of its proper divisors (6414417).

10020320202103 is an equidigital number, since it uses as much as digits as its factorization.

10020320202103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6414416.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 10020320202103 its reverse (30120202302001), we get a palindrome (40140522504104).

The spelling of 10020320202103 in words is "ten trillion, twenty billion, three hundred twenty million, two hundred two thousand, one hundred three".