20393047285271 has 8 divisors (see below), whose sum is σ = 20692811284080. Its totient is φ = 20093834832192.

The previous prime is 20393047285267. The next prime is 20393047285327. The reversal of 20393047285271 is 17258274039302.

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 20393047285271 - 2² = 20393047285267 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 (20393047285201) 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, 137811941 + ... + 137959838.

It is an arithmetic number, because the mean of its divisors is an integer number (2586601410510).

Almost surely, 2^{20393047285271} is an apocalyptic number.

20393047285271 is a deficient number, since it is larger than the sum of its proper divisors (299763998809).

20393047285271 is a wasteful number, since it uses less digits than its factorization.

20393047285271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275772865.

The product of its (nonzero) digits is 5080320, while the sum is 53.

The spelling of 20393047285271 in words is "twenty trillion, three hundred ninety-three billion, forty-seven million, two hundred eighty-five thousand, two hundred seventy-one".