20117677641064 has 32 divisors (see below), whose sum is σ = 39454613352000. Its totient is φ = 9598534963072.

The previous prime is 20117677641037. The next prime is 20117677641151. The reversal of 20117677641064 is 46014677671102.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 130394509 + ... + 130548700.

It is an arithmetic number, because the mean of its divisors is an integer number (1232956667250).

Almost surely, 2^{20117677641064} is an apocalyptic number.

It is an amenable number.

20117677641064 is a deficient number, since it is larger than the sum of its proper divisors (19336935710936).

20117677641064 is a wasteful number, since it uses less digits than its factorization.

20117677641064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260943657 (or 260943653 counting only the distinct ones).

The product of its (nonzero) digits is 2370816, while the sum is 52.

The spelling of 20117677641064 in words is "twenty trillion, one hundred seventeen billion, six hundred seventy-seven million, six hundred forty-one thousand, sixty-four".