20198014 has 4 divisors (see below), whose sum is σ = 30297024. Its totient is φ = 10099006.

The previous prime is 20197997. The next prime is 20198033. The reversal of 20198014 is 41089102.

It is a happy number.

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

It is a super-3 number, since 3×20198014³ (a number of 23 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20198014.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5049502 + ... + 5049505.

It is an arithmetic number, because the mean of its divisors is an integer number (7574256).

Almost surely, 2^20198014 is an apocalyptic number.

20198014 is a deficient number, since it is larger than the sum of its proper divisors (10099010).

20198014 is a wasteful number, since it uses less digits than its factorization.

20198014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10099009.

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 20198014 is about 4494.2200658179. The cubic root of 20198014 is about 272.3346425455.

The spelling of 20198014 in words is "twenty million, one hundred ninety-eight thousand, fourteen".