20315305535339 has 8 divisors (see below), whose sum is σ = 21510665272800. Its totient is φ = 19119983771776.

The previous prime is 20315305535309. The next prime is 20315305535347. The reversal of 20315305535339 is 93353550351302.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20315305535339 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20315305535293 and 20315305535302.

It is not an unprimeable number, because it can be changed into a prime (20315305535309) 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, 8388359 + ... + 10535424.

It is an arithmetic number, because the mean of its divisors is an integer number (2688833159100).

Almost surely, 2^{20315305535339} is an apocalyptic number.

20315305535339 is a deficient number, since it is larger than the sum of its proper divisors (1195359737461).

20315305535339 is a wasteful number, since it uses less digits than its factorization.

20315305535339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18986949.

The product of its (nonzero) digits is 2733750, while the sum is 47.

The spelling of 20315305535339 in words is "twenty trillion, three hundred fifteen billion, three hundred five million, five hundred thirty-five thousand, three hundred thirty-nine".