13325320205 has 16 divisors (see below), whose sum is σ = 16972435440. Its totient is φ = 10008625152.

The previous prime is 13325320189. The next prime is 13325320231. The reversal of 13325320205 is 50202352331.

It can be written as a sum of positive squares in 8 ways, for example, as 1225980196 + 12099340009 = 35014^2 + 109997^2 .

It is not a de Polignac number, because 13325320205 - 2⁴ = 13325320189 is a prime.

It is a congruent number.

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, 156884 + ... + 226413.

It is an arithmetic number, because the mean of its divisors is an integer number (1060777215).

Almost surely, 2^13325320205 is an apocalyptic number.

It is an amenable number.

13325320205 is a deficient number, since it is larger than the sum of its proper divisors (3647115235).

13325320205 is a wasteful number, since it uses less digits than its factorization.

13325320205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383728.

The product of its (nonzero) digits is 5400, while the sum is 26.

Adding to 13325320205 its reverse (50202352331), we get a palindrome (63527672536).

The spelling of 13325320205 in words is "thirteen billion, three hundred twenty-five million, three hundred twenty thousand, two hundred five".