20816714 has 4 divisors (see below), whose sum is σ = 31225074. Its totient is φ = 10408356.

The previous prime is 20816701. The next prime is 20816759. The reversal of 20816714 is 41761802.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 41761802 = 2 ⋅20880901.

It can be written as a sum of positive squares in only one way, i.e., 18361225 + 2455489 = 4285^2 + 1567^2 .

It is a Curzon 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, 5204177 + ... + 5204180.

Almost surely, 2^20816714 is an apocalyptic number.

20816714 is a deficient number, since it is larger than the sum of its proper divisors (10408360).

20816714 is a wasteful number, since it uses less digits than its factorization.

20816714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10408359.

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 20816714 is about 4562.5337259027. The cubic root of 20816714 is about 275.0874168371.

The spelling of 20816714 in words is "twenty million, eight hundred sixteen thousand, seven hundred fourteen".