20334303513 has 24 divisors (see below), whose sum is σ = 29754691200. Its totient is φ = 13379599584.

The previous prime is 20334303439. The next prime is 20334303529. The reversal of 20334303513 is 31530343302.

It is a happy number.

20334303513 is a `hidden beast` number, since 20 + 334 + 303 + 5 + 1 + 3 = 666.

It is not a de Polignac number, because 20334303513 - 2⁸ = 20334303257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20334303413) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3772006 + ... + 3777392.

It is an arithmetic number, because the mean of its divisors is an integer number (1239778800).

Almost surely, 2^20334303513 is an apocalyptic number.

It is an amenable number.

20334303513 is a deficient number, since it is larger than the sum of its proper divisors (9420387687).

20334303513 is a wasteful number, since it uses less digits than its factorization.

20334303513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10781 (or 10778 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 27.

Adding to 20334303513 its reverse (31530343302), we get a palindrome (51864646815).

The spelling of 20334303513 in words is "twenty billion, three hundred thirty-four million, three hundred three thousand, five hundred thirteen".