20320714 has 4 divisors (see below), whose sum is σ = 30481074. Its totient is φ = 10160356.

The previous prime is 20320711. The next prime is 20320723. The reversal of 20320714 is 41702302.

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

It can be written as a sum of positive squares in only one way, i.e., 15405625 + 4915089 = 3925^2 + 2217^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20320691 and 20320700.

It is not an unprimeable number, because it can be changed into a prime (20320711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5080177 + ... + 5080180.

Almost surely, 2^20320714 is an apocalyptic number.

20320714 is a deficient number, since it is larger than the sum of its proper divisors (10160360).

20320714 is a wasteful number, since it uses less digits than its factorization.

20320714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10160359.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 20320714 is about 4507.8502637066. The cubic root of 20320714 is about 272.8849940700.

The spelling of 20320714 in words is "twenty million, three hundred twenty thousand, seven hundred fourteen".