20116086 has 48 divisors (see below), whose sum is σ = 43223040. Its totient is φ = 6233760.

The previous prime is 20116073. The next prime is 20116087. The reversal of 20116086 is 68061102.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20116087) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 254595 + ... + 254673.

It is an arithmetic number, because the mean of its divisors is an integer number (900480).

Almost surely, 2^20116086 is an apocalyptic number.

20116086 is an abundant number, since it is smaller than the sum of its proper divisors (23106954).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20116086 is a wasteful number, since it uses less digits than its factorization.

20116086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189 (or 152 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 20116086 is about 4485.0959855950. The cubic root of 20116086 is about 271.9659253018.

Adding to 20116086 its reverse (68061102), we get a palindrome (88177188).

The spelling of 20116086 in words is "twenty million, one hundred sixteen thousand, eighty-six".