13460020565 has 16 divisors (see below), whose sum is σ = 17015598720. Its totient is φ = 10193198400.

The previous prime is 13460020523. The next prime is 13460020579. The reversal of 13460020565 is 56502006431.

13460020565 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 13460020565 - 2⁶ = 13460020501 is a prime.

It is a super-2 number, since 2×13460020565² (a number of 21 digits) contains 22 as substring.

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, 65840 + ... + 176790.

It is an arithmetic number, because the mean of its divisors is an integer number (1063474920).

Almost surely, 2^13460020565 is an apocalyptic number.

It is an amenable number.

13460020565 is a deficient number, since it is larger than the sum of its proper divisors (3555578155).

13460020565 is a wasteful number, since it uses less digits than its factorization.

13460020565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112252.

The product of its (nonzero) digits is 21600, while the sum is 32.

Adding to 13460020565 its reverse (56502006431), we get a palindrome (69962026996).

The spelling of 13460020565 in words is "thirteen billion, four hundred sixty million, twenty thousand, five hundred sixty-five".