20320303103 has 32 divisors (see below), whose sum is σ = 22873536000. Its totient is φ = 17970664320.

The previous prime is 20320303079. The next prime is 20320303193. The reversal of 20320303103 is 30130302302.

It is not a de Polignac number, because 20320303103 - 2¹² = 20320299007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20320303193) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1977926 + ... + 1988172.

It is an arithmetic number, because the mean of its divisors is an integer number (714798000).

Almost surely, 2^20320303103 is an apocalyptic number.

20320303103 is a deficient number, since it is larger than the sum of its proper divisors (2553232897).

20320303103 is a wasteful number, since it uses less digits than its factorization.

20320303103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10415.

The product of its (nonzero) digits is 324, while the sum is 17.

Adding to 20320303103 its reverse (30130302302), we get a palindrome (50450605405).

The spelling of 20320303103 in words is "twenty billion, three hundred twenty million, three hundred three thousand, one hundred three".