20332452105565 has 16 divisors (see below), whose sum is σ = 25850661000192. Its totient is φ = 15299370595584.

The previous prime is 20332452105529. The next prime is 20332452105587. The reversal of 20332452105565 is 56550125423302.

It is a cyclic number.

It is not a de Polignac number, because 20332452105565 - 2¹⁷ = 20332451974493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76192689 + ... + 76459078.

It is an arithmetic number, because the mean of its divisors is an integer number (1615666312512).

Almost surely, 2^{20332452105565} is an apocalyptic number.

It is an amenable number.

20332452105565 is a deficient number, since it is larger than the sum of its proper divisors (5518208894627).

20332452105565 is a wasteful number, since it uses less digits than its factorization.

20332452105565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152653356.

The product of its (nonzero) digits is 1080000, while the sum is 43.

Adding to 20332452105565 its reverse (56550125423302), we get a palindrome (76882577528867).

The spelling of 20332452105565 in words is "twenty trillion, three hundred thirty-two billion, four hundred fifty-two million, one hundred five thousand, five hundred sixty-five".