20303003111013 has 12 divisors (see below), whose sum is σ = 33516068627808. Its totient is φ = 11601716063400.

The previous prime is 20303003110991. The next prime is 20303003111047. The reversal of 20303003111013 is 31011130030302.

It is a happy number.

20303003111013 is a `hidden beast` number, since 2 + 0 + 30 + 300 + 311 + 10 + 13 = 666.

It is not a de Polignac number, because 20303003111013 - 2¹⁴ = 20303003094629 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20303003101013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 161134945263 + ... + 161134945388.

It is an arithmetic number, because the mean of its divisors is an integer number (2793005718984).

Almost surely, 2^{20303003111013} is an apocalyptic number.

It is an amenable number.

20303003111013 is a deficient number, since it is larger than the sum of its proper divisors (13213065516795).

20303003111013 is a wasteful number, since it uses less digits than its factorization.

20303003111013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322269890664 (or 322269890661 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 20303003111013 its reverse (31011130030302), we get a palindrome (51314133141315).

The spelling of 20303003111013 in words is "twenty trillion, three hundred three billion, three million, one hundred eleven thousand, thirteen".