20244340545005 has 32 divisors (see below), whose sum is σ = 24383086041600. Its totient is φ = 16135685862912.

The previous prime is 20244340544993. The next prime is 20244340545019. The reversal of 20244340545005 is 50054504344202.

It is a cyclic number.

It is not a de Polignac number, because 20244340545005 - 2¹⁰ = 20244340543981 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20244340545005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6308611841 + ... + 6308615049.

It is an arithmetic number, because the mean of its divisors is an integer number (761971438800).

Almost surely, 2^{20244340545005} is an apocalyptic number.

It is an amenable number.

20244340545005 is a deficient number, since it is larger than the sum of its proper divisors (4138745496595).

20244340545005 is a wasteful number, since it uses less digits than its factorization.

20244340545005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7013.

The product of its (nonzero) digits is 384000, while the sum is 38.

Adding to 20244340545005 its reverse (50054504344202), we get a palindrome (70298844889207).

The spelling of 20244340545005 in words is "twenty trillion, two hundred forty-four billion, three hundred forty million, five hundred forty-five thousand, five".