13230020535 has 16 divisors (see below), whose sum is σ = 21170222304. Its totient is φ = 7055281152.

The previous prime is 13230020527. The next prime is 13230020561. The reversal of 13230020535 is 53502003231.

It is a happy number.

13230020535 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13230020535 - 2³ = 13230020527 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124779 + ... + 205011.

It is an arithmetic number, because the mean of its divisors is an integer number (1323138894).

Almost surely, 2^13230020535 is an apocalyptic number.

13230020535 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13230020535 is a deficient number, since it is larger than the sum of its proper divisors (7940201769).

13230020535 is a wasteful number, since it uses less digits than its factorization.

13230020535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91234.

The product of its (nonzero) digits is 2700, while the sum is 24.

Adding to 13230020535 its reverse (53502003231), we get a palindrome (66732023766).

The spelling of 13230020535 in words is "thirteen billion, two hundred thirty million, twenty thousand, five hundred thirty-five".