20517114 has 8 divisors (see below), whose sum is σ = 41034240. Its totient is φ = 6839036.

The previous prime is 20517109. The next prime is 20517121. The reversal of 20517114 is 41171502.

It is a happy number.

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

20517114 is an admirable number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1709754 + ... + 1709765.

It is an arithmetic number, because the mean of its divisors is an integer number (5129280).

Almost surely, 2^20517114 is an apocalyptic number.

20517114 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.

20517114 is a wasteful number, since it uses less digits than its factorization.

20517114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3419524.

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

The square root of 20517114 is about 4529.5820999293. The cubic root of 20517114 is about 273.7613226901.

Adding to 20517114 its reverse (41171502), we get a palindrome (61688616).

The spelling of 20517114 in words is "twenty million, five hundred seventeen thousand, one hundred fourteen".