13441020205 has 4 divisors (see below), whose sum is σ = 16129224252. Its totient is φ = 10752816160.

The previous prime is 13441020181. The next prime is 13441020227. The reversal of 13441020205 is 50202014431.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3660008004 + 9781012201 = 60498^2 + 98899^2 .

It is not a de Polignac number, because 13441020205 - 2⁷ = 13441020077 is a prime.

It is a super-2 number, since 2×13441020205² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1344102016 + ... + 1344102025.

It is an arithmetic number, because the mean of its divisors is an integer number (4032306063).

Almost surely, 2^13441020205 is an apocalyptic number.

It is an amenable number.

13441020205 is a deficient number, since it is larger than the sum of its proper divisors (2688204047).

13441020205 is an equidigital number, since it uses as much as digits as its factorization.

13441020205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2688204046.

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 13441020205 its reverse (50202014431), we get a palindrome (63643034636).

The spelling of 13441020205 in words is "thirteen billion, four hundred forty-one million, twenty thousand, two hundred five".