20344341036065 has 4 divisors (see below), whose sum is σ = 24413209243284. Its totient is φ = 16275472828848.

The previous prime is 20344341036037. The next prime is 20344341036067. The reversal of 20344341036065 is 56063014344302.

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 2757456192481 + 17586884843584 = 1660559^2 + 4193672^2 .

It is a cyclic number.

It is not a de Polignac number, because 20344341036065 - 2⁶ = 20344341036001 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20344341036067) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2034434103602 + ... + 2034434103611.

It is an arithmetic number, because the mean of its divisors is an integer number (6103302310821).

Almost surely, 2^{20344341036065} is an apocalyptic number.

It is an amenable number.

20344341036065 is a deficient number, since it is larger than the sum of its proper divisors (4068868207219).

20344341036065 is an equidigital number, since it uses as much as digits as its factorization.

20344341036065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4068868207218.

The product of its (nonzero) digits is 622080, while the sum is 41.

The spelling of 20344341036065 in words is "twenty trillion, three hundred forty-four billion, three hundred forty-one million, thirty-six thousand, sixty-five".