20614166 has 8 divisors (see below), whose sum is σ = 32740200. Its totient is φ = 9700768.

The previous prime is 20614151. The next prime is 20614171. The reversal of 20614166 is 66141602.

It is a happy number.

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

It is a Curzon number.

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 3 ways as a sum of consecutive naturals, for example, 303116 + ... + 303183.

It is an arithmetic number, because the mean of its divisors is an integer number (4092525).

Almost surely, 2^20614166 is an apocalyptic number.

20614166 is a deficient number, since it is larger than the sum of its proper divisors (12126034).

20614166 is a wasteful number, since it uses less digits than its factorization.

20614166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606318.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 20614166 is about 4540.2825903241. The cubic root of 20614166 is about 274.1923011151.

Adding to 20614166 its reverse (66141602), we get a palindrome (86755768).

The spelling of 20614166 in words is "twenty million, six hundred fourteen thousand, one hundred sixty-six".