20116112635492 has 24 divisors (see below), whose sum is σ = 35245210376376. Its totient is φ = 10046059584768.

The previous prime is 20116112635483. The next prime is 20116112635519. The reversal of 20116112635492 is 29453621161102.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 7451240252416 + 12664872383076 = 2729696^2 + 3558774^2 .

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, 10544038 + ... + 12304834.

It is an arithmetic number, because the mean of its divisors is an integer number (1468550432349).

Almost surely, 2^{20116112635492} is an apocalyptic number.

It is an amenable number.

20116112635492 is a deficient number, since it is larger than the sum of its proper divisors (15129097740884).

20116112635492 is a wasteful number, since it uses less digits than its factorization.

20116112635492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1764207 (or 1764205 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 43.

Adding to 20116112635492 its reverse (29453621161102), we get a palindrome (49569733796594).

The spelling of 20116112635492 in words is "twenty trillion, one hundred sixteen billion, one hundred twelve million, six hundred thirty-five thousand, four hundred ninety-two".