20166713 has 8 divisors (see below), whose sum is σ = 23538432. Its totient is φ = 16917696.

The previous prime is 20166701. The next prime is 20166719. The reversal of 20166713 is 31766102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20166713 - 2⁴ = 20166697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20166719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30320 + ... + 30977.

It is an arithmetic number, because the mean of its divisors is an integer number (2942304).

Almost surely, 2^20166713 is an apocalyptic number.

It is an amenable number.

20166713 is a deficient number, since it is larger than the sum of its proper divisors (3371719).

20166713 is an equidigital number, since it uses as much as digits as its factorization.

20166713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61351.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 20166713 is about 4490.7363538734. The cubic root of 20166713 is about 272.1938901947.

The spelling of 20166713 in words is "twenty million, one hundred sixty-six thousand, seven hundred thirteen".