20005714 has 8 divisors (see below), whose sum is σ = 30224880. Its totient is φ = 9930756.

The previous prime is 20005709. The next prime is 20005717. The reversal of 20005714 is 41750002.

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 = 20005691 and 20005700.

It is not an unprimeable number, because it can be changed into a prime (20005717) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35704 + ... + 36259.

It is an arithmetic number, because the mean of its divisors is an integer number (3778110).

Almost surely, 2^20005714 is an apocalyptic number.

20005714 is a deficient number, since it is larger than the sum of its proper divisors (10219166).

20005714 is a wasteful number, since it uses less digits than its factorization.

20005714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72104.

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 20005714 is about 4472.7747539978. The cubic root of 20005714 is about 271.4676095018.

Adding to 20005714 its reverse (41750002), we get a palindrome (61755716).

The spelling of 20005714 in words is "twenty million, five thousand, seven hundred fourteen".