13330220545 has 16 divisors (see below), whose sum is σ = 16867730880. Its totient is φ = 10085169600.

The previous prime is 13330220539. The next prime is 13330220593. The reversal of 13330220545 is 54502203331.

It is not a de Polignac number, because 13330220545 - 2¹⁵ = 13330187777 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68626 + ... + 177115.

It is an arithmetic number, because the mean of its divisors is an integer number (1054233180).

Almost surely, 2^13330220545 is an apocalyptic number.

It is an amenable number.

13330220545 is a deficient number, since it is larger than the sum of its proper divisors (3537510335).

13330220545 is a wasteful number, since it uses less digits than its factorization.

13330220545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246336.

The product of its (nonzero) digits is 10800, while the sum is 28.

Adding to 13330220545 its reverse (54502203331), we get a palindrome (67832423876).

The spelling of 13330220545 in words is "thirteen billion, three hundred thirty million, two hundred twenty thousand, five hundred forty-five".