20116112635667 has 4 divisors (see below), whose sum is σ = 20116262790360. Its totient is φ = 20115962480976.

The previous prime is 20116112635601. The next prime is 20116112635679. The reversal of 20116112635667 is 76653621161102.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20116112635667 - 2²⁸ = 20115844200211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20116112625667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74876213 + ... + 75144390.

It is an arithmetic number, because the mean of its divisors is an integer number (5029065697590).

Almost surely, 2^{20116112635667} is an apocalyptic number.

20116112635667 is a deficient number, since it is larger than the sum of its proper divisors (150154693).

20116112635667 is a wasteful number, since it uses less digits than its factorization.

20116112635667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150154692.

The product of its (nonzero) digits is 544320, while the sum is 47.

Adding to 20116112635667 its reverse (76653621161102), we get a palindrome (96769733796769).

The spelling of 20116112635667 in words is "twenty trillion, one hundred sixteen billion, one hundred twelve million, six hundred thirty-five thousand, six hundred sixty-seven".