20165047270675 has 12 divisors (see below), whose sum is σ = 25043546129560. Its totient is φ = 16106949097920.

The previous prime is 20165047270597. The next prime is 20165047270679. The reversal of 20165047270675 is 57607274056102.

It is not a de Polignac number, because 20165047270675 - 2¹¹ = 20165047268627 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20165047270679) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 627201570 + ... + 627233719.

Almost surely, 2^{20165047270675} is an apocalyptic number.

20165047270675 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

20165047270675 is a deficient number, since it is larger than the sum of its proper divisors (4878498858885).

20165047270675 is a wasteful number, since it uses less digits than its factorization.

20165047270675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1254435942 (or 1254435937 counting only the distinct ones).

The product of its (nonzero) digits is 4939200, while the sum is 52.

The spelling of 20165047270675 in words is "twenty trillion, one hundred sixty-five billion, forty-seven million, two hundred seventy thousand, six hundred seventy-five".