20017214 has 8 divisors (see below), whose sum is σ = 34315248. Its totient is φ = 8578800.

The previous prime is 20017189. The next prime is 20017223. The reversal of 20017214 is 41271002.

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

It is a junction number, because it is equal to n+sod(n) for n = 20017192 and 20017201.

It is a congruent 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, 714887 + ... + 714914.

It is an arithmetic number, because the mean of its divisors is an integer number (4289406).

Almost surely, 2^20017214 is an apocalyptic number.

20017214 is a deficient number, since it is larger than the sum of its proper divisors (14298034).

20017214 is a wasteful number, since it uses less digits than its factorization.

20017214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1429810.

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 20017214 is about 4474.0601247636. The cubic root of 20017214 is about 271.5196159688.

Adding to 20017214 its reverse (41271002), we get a palindrome (61288216).

The spelling of 20017214 in words is "twenty million, seventeen thousand, two hundred fourteen".