13020030015 has 16 divisors (see below), whose sum is σ = 21173558496. Its totient is φ = 6830179200.

The previous prime is 13020029999. The next prime is 13020030017. The reversal of 13020030015 is 51003002031.

It is a happy number.

It is not a de Polignac number, because 13020030015 - 2⁴ = 13020029999 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a junction number, because it is equal to n+sod(n) for n = 13020029976 and 13020030003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13020030017) 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, 7113856 + ... + 7115685.

It is an arithmetic number, because the mean of its divisors is an integer number (1323347406).

Almost surely, 2^13020030015 is an apocalyptic number.

13020030015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13020030015 is a deficient number, since it is larger than the sum of its proper divisors (8153528481).

13020030015 is a wasteful number, since it uses less digits than its factorization.

13020030015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14229610.

The product of its (nonzero) digits is 90, while the sum is 15.

Adding to 13020030015 its reverse (51003002031), we get a palindrome (64023032046).

The spelling of 13020030015 in words is "thirteen billion, twenty million, thirty thousand, fifteen".