20168914 has 12 divisors (see below), whose sum is σ = 30785454. Its totient is φ = 9910112.

The previous prime is 20168909. The next prime is 20168921. The reversal of 20168914 is 41986102.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 19580625 + 588289 = 4425^2 + 767^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5514 + ... + 8410.

Almost surely, 2^20168914 is an apocalyptic number.

20168914 is a deficient number, since it is larger than the sum of its proper divisors (10616540).

20168914 is an equidigital number, since it uses as much as digits as its factorization.

20168914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3017 (or 2958 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 20168914 is about 4490.9814072205. The cubic root of 20168914 is about 272.2037922704.

The spelling of 20168914 in words is "twenty million, one hundred sixty-eight thousand, nine hundred fourteen".