20303102403 has 12 divisors (see below), whose sum is σ = 30870214440. Its totient is φ = 12823011936.

The previous prime is 20303102381. The next prime is 20303102467. The reversal of 20303102403 is 30420130302.

It is not a de Polignac number, because 20303102403 - 2⁹ = 20303101891 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20303102473) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 59365626 + ... + 59365967.

It is an arithmetic number, because the mean of its divisors is an integer number (2572517870).

Almost surely, 2^20303102403 is an apocalyptic number.

20303102403 is a deficient number, since it is larger than the sum of its proper divisors (10567112037).

20303102403 is a wasteful number, since it uses less digits than its factorization.

20303102403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118731618 (or 118731615 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 20303102403 its reverse (30420130302), we get a palindrome (50723232705).

The spelling of 20303102403 in words is "twenty billion, three hundred three million, one hundred two thousand, four hundred three".