20018014 has 4 divisors (see below), whose sum is σ = 30027024. Its totient is φ = 10009006.

The previous prime is 20017997. The next prime is 20018017. The reversal of 20018014 is 41081002.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20018017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5004502 + ... + 5004505.

It is an arithmetic number, because the mean of its divisors is an integer number (7506756).

Almost surely, 2^20018014 is an apocalyptic number.

20018014 is a deficient number, since it is larger than the sum of its proper divisors (10009010).

20018014 is a wasteful number, since it uses less digits than its factorization.

20018014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10009009.

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 20018014 is about 4474.1495281226. The cubic root of 20018014 is about 271.5232330689.

Adding to 20018014 its reverse (41081002), we get a palindrome (61099016).

The spelling of 20018014 in words is "twenty million, eighteen thousand, fourteen".