13030020513 has 24 divisors (see below), whose sum is σ = 20057326848. Its totient is φ = 8132205312.

The previous prime is 13030020511. The next prime is 13030020547. The reversal of 13030020513 is 31502003031.

13030020513 is a `hidden beast` number, since 130 + 3 + 0 + 0 + 20 + 513 = 666.

It is not a de Polignac number, because 13030020513 - 2¹ = 13030020511 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13030020511) 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, 659920 + ... + 679377.

It is an arithmetic number, because the mean of its divisors is an integer number (835721952).

Almost surely, 2^13030020513 is an apocalyptic number.

It is an amenable number.

13030020513 is a deficient number, since it is larger than the sum of its proper divisors (7027306335).

13030020513 is a wasteful number, since it uses less digits than its factorization.

13030020513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1339373 (or 1339370 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 18.

Adding to 13030020513 its reverse (31502003031), we get a palindrome (44532023544).

The spelling of 13030020513 in words is "thirteen billion, thirty million, twenty thousand, five hundred thirteen".