20302320103 has 8 divisors (see below), whose sum is σ = 21882380688. Its totient is φ = 18724880064.

The previous prime is 20302320089. The next prime is 20302320109. The reversal of 20302320103 is 30102320302.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20302320103 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 (20302320109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 639025 + ... + 670042.

It is an arithmetic number, because the mean of its divisors is an integer number (2735297586).

Almost surely, 2^20302320103 is an apocalyptic number.

20302320103 is a deficient number, since it is larger than the sum of its proper divisors (1580060585).

20302320103 is a wasteful number, since it uses less digits than its factorization.

20302320103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1310273.

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 20302320103 its reverse (30102320302), we get a palindrome (50404640405).

The spelling of 20302320103 in words is "twenty billion, three hundred two million, three hundred twenty thousand, one hundred three".