20126186 has 8 divisors (see below), whose sum is σ = 30389664. Its totient is φ = 9996300.

The previous prime is 20126179. The next prime is 20126189. The reversal of 20126186 is 68162102.

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

It is not an unprimeable number, because it can be changed into a prime (20126189) 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 3 ways as a sum of consecutive naturals, for example, 33020 + ... + 33623.

It is an arithmetic number, because the mean of its divisors is an integer number (3798708).

Almost surely, 2^20126186 is an apocalyptic number.

20126186 is a deficient number, since it is larger than the sum of its proper divisors (10263478).

20126186 is a wasteful number, since it uses less digits than its factorization.

20126186 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66796.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 20126186 is about 4486.2217956762. The cubic root of 20126186 is about 272.0114344242.

Adding to 20126186 its reverse (68162102), we get a palindrome (88288288).

The spelling of 20126186 in words is "twenty million, one hundred twenty-six thousand, one hundred eighty-six".