20160939 has 8 divisors (see below), whose sum is σ = 26902480. Its totient is φ = 13430016.

The previous prime is 20160923. The next prime is 20160941. The reversal of 20160939 is 93906102.

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

It is not a de Polignac number, because 20160939 - 2⁴ = 20160923 is a prime.

It is a super-2 number, since 2×20160939² = 812926922723442, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20160139) 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, 4659 + ... + 7875.

It is an arithmetic number, because the mean of its divisors is an integer number (3362810).

Almost surely, 2^20160939 is an apocalyptic number.

20160939 is a deficient number, since it is larger than the sum of its proper divisors (6741541).

20160939 is a wasteful number, since it uses less digits than its factorization.

20160939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5309.

The product of its (nonzero) digits is 2916, while the sum is 30.

The square root of 20160939 is about 4490.0934288721. The cubic root of 20160939 is about 272.1679101297.

It can be divided in two parts, 2016093 and 9, that added together give a palindrome (2016102).

The spelling of 20160939 in words is "twenty million, one hundred sixty thousand, nine hundred thirty-nine".