20116170425533 has 12 divisors (see below), whose sum is σ = 25200477237180. Its totient is φ = 15916090885632.

The previous prime is 20116170425521. The next prime is 20116170425569. The reversal of 20116170425533 is 33552407161102.

It can be written as a sum of positive squares in 2 ways, for example, as 3190499722809 + 16925670702724 = 1786197^2 + 4114082^2 .

It is not a de Polignac number, because 20116170425533 - 2¹⁷ = 20116170294461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20116170425333) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15789772068 + ... + 15789773341.

It is an arithmetic number, because the mean of its divisors is an integer number (2100039769765).

Almost surely, 2^{20116170425533} is an apocalyptic number.

It is an amenable number.

20116170425533 is a deficient number, since it is larger than the sum of its proper divisors (5084306811647).

20116170425533 is a wasteful number, since it uses less digits than its factorization.

20116170425533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31579545436 (or 31579545429 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 40.

Adding to 20116170425533 its reverse (33552407161102), we get a palindrome (53668577586635).

The spelling of 20116170425533 in words is "twenty trillion, one hundred sixteen billion, one hundred seventy million, four hundred twenty-five thousand, five hundred thirty-three".