20116311 has 8 divisors (see below), whose sum is σ = 26962944. Its totient is φ = 13340280.

The previous prime is 20116301. The next prime is 20116333. The reversal of 20116311 is 11361102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20116311 - 2⁵ = 20116279 is a prime.

It is a congruent number.

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

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16981 + ... + 18126.

It is an arithmetic number, because the mean of its divisors is an integer number (3370368).

Almost surely, 2^20116311 is an apocalyptic number.

20116311 is a deficient number, since it is larger than the sum of its proper divisors (6846633).

20116311 is a wasteful number, since it uses less digits than its factorization.

20116311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35301.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 20116311 is about 4485.1210686000. The cubic root of 20116311 is about 271.9669392848.

Adding to 20116311 its reverse (11361102), we get a palindrome (31477413).

The spelling of 20116311 in words is "twenty million, one hundred sixteen thousand, three hundred eleven".