20303330103303 has 16 divisors (see below), whose sum is σ = 29425962254976. Its totient is φ = 12377587292640.

The previous prime is 20303330103299. The next prime is 20303330103311. The reversal of 20303330103303 is 30330103330302.

It is a happy number.

It is not a de Polignac number, because 20303330103303 - 2² = 20303330103299 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20303330103703) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2432697733 + ... + 2432706078.

It is an arithmetic number, because the mean of its divisors is an integer number (1839122640936).

Almost surely, 2^{20303330103303} is an apocalyptic number.

20303330103303 is a deficient number, since it is larger than the sum of its proper divisors (9122632151673).

20303330103303 is a wasteful number, since it uses less digits than its factorization.

20303330103303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4865403934.

The product of its (nonzero) digits is 4374, while the sum is 24.

Adding to 20303330103303 its reverse (30330103330302), we get a palindrome (50633433433605).

The spelling of 20303330103303 in words is "twenty trillion, three hundred three billion, three hundred thirty million, one hundred three thousand, three hundred three".