20716082 has 4 divisors (see below), whose sum is σ = 31074126. Its totient is φ = 10358040.

The previous prime is 20716079. The next prime is 20716097. The reversal of 20716082 is 28061702.

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., 17297281 + 3418801 = 4159^2 + 1849^2 .

It is an unprimeable number.

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, 5179019 + ... + 5179022.

Almost surely, 2^20716082 is an apocalyptic number.

20716082 is a deficient number, since it is larger than the sum of its proper divisors (10358044).

20716082 is a wasteful number, since it uses less digits than its factorization.

20716082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10358043.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 20716082 is about 4551.4922827574. The cubic root of 20716082 is about 274.6434254562.

Adding to 20716082 its reverse (28061702), we get a palindrome (48777784).

The spelling of 20716082 in words is "twenty million, seven hundred sixteen thousand, eighty-two".