20319314 has 16 divisors (see below), whose sum is σ = 31691520. Its totient is φ = 9759120.

The previous prime is 20319311. The next prime is 20319317. The reversal of 20319314 is 41391302.

It is an interprime number because it is at equal distance from previous prime (20319311) and next prime (20319317).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 20319314.

It is not an unprimeable number, because it can be changed into a prime (20319311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12149 + ... + 13719.

It is an arithmetic number, because the mean of its divisors is an integer number (1980720).

Almost surely, 2^20319314 is an apocalyptic number.

20319314 is a deficient number, since it is larger than the sum of its proper divisors (11372206).

20319314 is a wasteful number, since it uses less digits than its factorization.

20319314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1825.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 20319314 is about 4507.6949763710. The cubic root of 20319314 is about 272.8787271025.

The spelling of 20319314 in words is "twenty million, three hundred nineteen thousand, three hundred fourteen".