20459214 has 12 divisors (see below), whose sum is σ = 44328336. Its totient is φ = 6819732.

The previous prime is 20459209. The next prime is 20459227. The reversal of 20459214 is 41295402.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

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 in 5 ways as a sum of consecutive naturals, for example, 568294 + ... + 568329.

It is an arithmetic number, because the mean of its divisors is an integer number (3694028).

Almost surely, 2^20459214 is an apocalyptic number.

20459214 is an abundant number, since it is smaller than the sum of its proper divisors (23869122).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20459214 is a wasteful number, since it uses less digits than its factorization.

20459214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1136631 (or 1136628 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 20459214 is about 4523.1862663392. The cubic root of 20459214 is about 273.5035587816.

The spelling of 20459214 in words is "twenty million, four hundred fifty-nine thousand, two hundred fourteen".