20117514 has 8 divisors (see below), whose sum is σ = 40235040. Its totient is φ = 6705836.

The previous prime is 20117497. The next prime is 20117519. The reversal of 20117514 is 41571102.

It is a happy number.

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

20117514 is an admirable number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20117519) by changing a digit.

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, 1676454 + ... + 1676465.

It is an arithmetic number, because the mean of its divisors is an integer number (5029380).

Almost surely, 2^20117514 is an apocalyptic number.

20117514 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20117514 is a wasteful number, since it uses less digits than its factorization.

20117514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3352924.

The product of its (nonzero) digits is 280, while the sum is 21.

The square root of 20117514 is about 4485.2551766873. The cubic root of 20117514 is about 271.9723605854.

Adding to 20117514 its reverse (41571102), we get a palindrome (61688616).

The spelling of 20117514 in words is "twenty million, one hundred seventeen thousand, five hundred fourteen".