20305214541023 has 8 divisors (see below), whose sum is σ = 20774893867200. Its totient is φ = 19838741217568.

The previous prime is 20305214541019. The next prime is 20305214541047. The reversal of 20305214541023 is 32014541250302.

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 20305214541023 - 2² = 20305214541019 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 (20305214541083) 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, 801487868 + ... + 801513201.

It is an arithmetic number, because the mean of its divisors is an integer number (2596861733400).

Almost surely, 2^{20305214541023} is an apocalyptic number.

20305214541023 is a deficient number, since it is larger than the sum of its proper divisors (469679326177).

20305214541023 is a wasteful number, since it uses less digits than its factorization.

20305214541023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1603001361.

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 20305214541023 its reverse (32014541250302), we get a palindrome (52319755791325).

The spelling of 20305214541023 in words is "twenty trillion, three hundred five billion, two hundred fourteen million, five hundred forty-one thousand, twenty-three".