20302321103303 has 4 divisors (see below), whose sum is σ = 20462181899520. Its totient is φ = 20142460307088.

The previous prime is 20302321103293. The next prime is 20302321103357. The reversal of 20302321103303 is 30330112320302.

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

It is a cyclic number.

It is not a de Polignac number, because 20302321103303 - 2²⁰ = 20302320054727 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 (20302321103003) 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, 79930397918 + ... + 79930398171.

It is an arithmetic number, because the mean of its divisors is an integer number (5115545474880).

Almost surely, 2^{20302321103303} is an apocalyptic number.

20302321103303 is a deficient number, since it is larger than the sum of its proper divisors (159860796217).

20302321103303 is a wasteful number, since it uses less digits than its factorization.

20302321103303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159860796216.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 20302321103303 its reverse (30330112320302), we get a palindrome (50632433423605).

The spelling of 20302321103303 in words is "twenty trillion, three hundred two billion, three hundred twenty-one million, one hundred three thousand, three hundred three".