20801378187341 has 8 divisors (see below), whose sum is σ = 20816349465600. Its totient is φ = 20786407628400.

The previous prime is 20801378187241. The next prime is 20801378187347. The reversal of 20801378187341 is 14378187310802.

It is a happy number.

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 20801378187341 - 2¹⁴ = 20801378170957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20801378187347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66543155 + ... + 66855023.

It is an arithmetic number, because the mean of its divisors is an integer number (2602043683200).

Almost surely, 2^{20801378187341} is an apocalyptic number.

It is an amenable number.

20801378187341 is a deficient number, since it is larger than the sum of its proper divisors (14971278259).

20801378187341 is a wasteful number, since it uses less digits than its factorization.

20801378187341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359659.

The product of its (nonzero) digits is 1806336, while the sum is 53.

The spelling of 20801378187341 in words is "twenty trillion, eight hundred one billion, three hundred seventy-eight million, one hundred eighty-seven thousand, three hundred forty-one".