20014 has 4 divisors (see below), whose sum is σ = 30024.
Its totient is φ = 10006.
The previous prime is 20011. The next prime is 20021. The reversal of 20014 is 41002.
It is a semiprime because it is the product of two primes.
It is a junction number, because it is equal to n+sod(n) for n = 19979 and 20006.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20011) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5002 + ... + 5005.
It is an arithmetic number, because the mean of its divisors is an integer number (7506).
220014 is an apocalyptic number.
20014 is a deficient number, since it is larger than the sum of its proper divisors (10010).
20014 is a wasteful number, since it uses less digits than its factorization.
20014 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10009.
The product of its (nonzero) digits is 8, while the sum is 7.
The square root of 20014 is about 141.4708450530.
The cubic root of 20014 is about 27.1505083298.
Adding to 20014 its reverse (41002), we get a palindrome (61016).
The spelling of 20014 in words is "twenty thousand, fourteen", and thus it is an iban number.