20814393956310 has 48 divisors (see below), whose sum is σ = 55138507776144. Its totient is φ = 5445778543296.

The previous prime is 20814393956297. The next prime is 20814393956401. The reversal of 20814393956310 is 1365939341802.

20814393956310 is a `hidden beast` number, since 2 + 0 + 8 + 1 + 4 + 39 + 39 + 563 + 10 = 666.

It is a super-2 number, since 2×20814393956310² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2181797532 + ... + 2181807071.

It is an arithmetic number, because the mean of its divisors is an integer number (1148718912003).

Almost surely, 2^{20814393956310} is an apocalyptic number.

20814393956310 is an abundant number, since it is smaller than the sum of its proper divisors (34324113819834).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20814393956310 is a wasteful number, since it uses less digits than its factorization.

20814393956310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4363604669 (or 4363604666 counting only the distinct ones).

The product of its (nonzero) digits is 4199040, while the sum is 54.

The spelling of 20814393956310 in words is "twenty trillion, eight hundred fourteen billion, three hundred ninety-three million, nine hundred fifty-six thousand, three hundred ten".