20116762123513 has 8 divisors (see below), whose sum is σ = 22455920510496. Its totient is φ = 17862664041600.

The previous prime is 20116762123499. The next prime is 20116762123559. The reversal of 20116762123513 is 31532126761102.

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

It is a cyclic number.

It is not a de Polignac number, because 20116762123513 - 2⁵ = 20116762123481 is a prime.

It is a super-2 number, since 2×20116762123513² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20116762123013) 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, 21265075768 + ... + 21265076713.

It is an arithmetic number, because the mean of its divisors is an integer number (2806990063812).

Almost surely, 2^{20116762123513} is an apocalyptic number.

It is an amenable number.

20116762123513 is a deficient number, since it is larger than the sum of its proper divisors (2339158386983).

20116762123513 is a wasteful number, since it uses less digits than its factorization.

20116762123513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42530152535.

The product of its (nonzero) digits is 90720, while the sum is 40.

Adding to 20116762123513 its reverse (31532126761102), we get a palindrome (51648888884615).

The spelling of 20116762123513 in words is "twenty trillion, one hundred sixteen billion, seven hundred sixty-two million, one hundred twenty-three thousand, five hundred thirteen".