20324560555016 has 32 divisors (see below), whose sum is σ = 38343599402400. Its totient is φ = 10099704069120.

The previous prime is 20324560555007. The next prime is 20324560555043. The reversal of 20324560555016 is 61055506542302.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4885730 + ... + 8032401.

It is an arithmetic number, because the mean of its divisors is an integer number (1198237481325).

Almost surely, 2^{20324560555016} is an apocalyptic number.

It is an amenable number.

20324560555016 is a deficient number, since it is larger than the sum of its proper divisors (18019038847384).

20324560555016 is a wasteful number, since it uses less digits than its factorization.

20324560555016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12919349 (or 12919345 counting only the distinct ones).

The product of its (nonzero) digits is 1080000, while the sum is 44.

The spelling of 20324560555016 in words is "twenty trillion, three hundred twenty-four billion, five hundred sixty million, five hundred fifty-five thousand, sixteen".