20186868502035 has 24 divisors (see below), whose sum is σ = 36832181128080. Its totient is φ = 10199680926912.

The previous prime is 20186868502007. The next prime is 20186868502051. The reversal of 20186868502035 is 53020586868102.

20186868502035 is a `hidden beast` number, since 2 + 0 + 18 + 68 + 68 + 502 + 0 + 3 + 5 = 666.

It is not a de Polignac number, because 20186868502035 - 2¹⁰ = 20186868501011 is a prime.

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 23 ways as a sum of consecutive naturals, for example, 11805185404 + ... + 11805187113.

It is an arithmetic number, because the mean of its divisors is an integer number (1534674213670).

Almost surely, 2^{20186868502035} is an apocalyptic number.

20186868502035 is a deficient number, since it is larger than the sum of its proper divisors (16645312626045).

20186868502035 is a wasteful number, since it uses less digits than its factorization.

20186868502035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23610372547 (or 23610372544 counting only the distinct ones).

The product of its (nonzero) digits is 5529600, while the sum is 54.

The spelling of 20186868502035 in words is "twenty trillion, one hundred eighty-six billion, eight hundred sixty-eight million, five hundred two thousand, thirty-five".