20315134451363 has 8 divisors (see below), whose sum is σ = 20993397061296. Its totient is φ = 19646227188000.

The previous prime is 20315134451333. The next prime is 20315134451389. The reversal of 20315134451363 is 36315443151302.

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 20315134451363 - 2²⁴ = 20315117674147 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20315134451363.

It is not an unprimeable number, because it can be changed into a prime (20315134451323) 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, 2338832228 + ... + 2338840913.

It is an arithmetic number, because the mean of its divisors is an integer number (2624174632662).

Almost surely, 2^{20315134451363} is an apocalyptic number.

20315134451363 is a deficient number, since it is larger than the sum of its proper divisors (678262609933).

20315134451363 is a wasteful number, since it uses less digits than its factorization.

20315134451363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4677673285.

The product of its (nonzero) digits is 388800, while the sum is 41.

The spelling of 20315134451363 in words is "twenty trillion, three hundred fifteen billion, one hundred thirty-four million, four hundred fifty-one thousand, three hundred sixty-three".