20116306 has 16 divisors (see below), whose sum is σ = 35985024. Its totient is φ = 8246304.

The previous prime is 20116301. The next prime is 20116333. The reversal of 20116306 is 60361102.

It is not an unprimeable number, because it can be changed into a prime (20116301) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 30915 + ... + 31558.

It is an arithmetic number, because the mean of its divisors is an integer number (2249064).

Almost surely, 2^20116306 is an apocalyptic number.

20116306 is a deficient number, since it is larger than the sum of its proper divisors (15868718).

20116306 is a wasteful number, since it uses less digits than its factorization.

20116306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62505.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 20116306 is about 4485.1205112015. The cubic root of 20116306 is about 271.9669167519.

Adding to 20116306 its reverse (60361102), we get a palindrome (80477408).

The spelling of 20116306 in words is "twenty million, one hundred sixteen thousand, three hundred six".