20116232146405 has 8 divisors (see below), whose sum is σ = 24243081489432. Its totient is φ = 16023917107968.

The previous prime is 20116232146397. The next prime is 20116232146429. The reversal of 20116232146405 is 50464123261102.

It can be written as a sum of positive squares in 4 ways, for example, as 944733456676 + 19171498689729 = 971974^2 + 4378527^2 .

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 20116232146405 - 2³ = 20116232146397 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 8633574864 + ... + 8633577193.

It is an arithmetic number, because the mean of its divisors is an integer number (3030385186179).

Almost surely, 2^{20116232146405} is an apocalyptic number.

It is an amenable number.

20116232146405 is a deficient number, since it is larger than the sum of its proper divisors (4126849343027).

20116232146405 is a wasteful number, since it uses less digits than its factorization.

20116232146405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17267152295.

The product of its (nonzero) digits is 69120, while the sum is 37.

The spelling of 20116232146405 in words is "twenty trillion, one hundred sixteen billion, two hundred thirty-two million, one hundred forty-six thousand, four hundred five".