20116112635536 has 40 divisors (see below), whose sum is σ = 51966794087904. Its totient is φ = 6705348971520.

The previous prime is 20116112635519. The next prime is 20116112635601. The reversal of 20116112635536 is 63553621161102.

It is a happy number.

It is a super-2 number, since 2×20116112635536² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21718575 + ... + 22625841.

Almost surely, 2^{20116112635536} is an apocalyptic number.

It is an amenable number.

20116112635536 is an abundant number, since it is smaller than the sum of its proper divisors (31850681452368).

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

20116112635536 is a wasteful number, since it uses less digits than its factorization.

20116112635536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1369199 (or 1369193 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 42.

Adding to 20116112635536 its reverse (63553621161102), we get a palindrome (83669733796638).

The spelling of 20116112635536 in words is "twenty trillion, one hundred sixteen billion, one hundred twelve million, six hundred thirty-five thousand, five hundred thirty-six".