20116232120771 has 8 divisors (see below), whose sum is σ = 20332473914880. Its totient is φ = 19900513282888.

The previous prime is 20116232120749. The next prime is 20116232120819. The reversal of 20116232120771 is 17702123261102.

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 20116232120771 - 2³⁴ = 20099052251587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20116232122771) 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, 130661711 + ... + 130815576.

It is an arithmetic number, because the mean of its divisors is an integer number (2541559239360).

Almost surely, 2^{20116232120771} is an apocalyptic number.

20116232120771 is a deficient number, since it is larger than the sum of its proper divisors (216241794109).

20116232120771 is a wasteful number, since it uses less digits than its factorization.

20116232120771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261478113.

The product of its (nonzero) digits is 14112, while the sum is 35.

Adding to 20116232120771 its reverse (17702123261102), we get a palindrome (37818355381873).

The spelling of 20116232120771 in words is "twenty trillion, one hundred sixteen billion, two hundred thirty-two million, one hundred twenty thousand, seven hundred seventy-one".