20305340055319 has 4 divisors (see below), whose sum is σ = 22151280060360. Its totient is φ = 18459400050280.

The previous prime is 20305340055313. The next prime is 20305340055359. The reversal of 20305340055319 is 91355004350302.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20305340055319 - 2⁷ = 20305340055191 is a prime.

It is a super-2 number, since 2×20305340055319² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20305340055313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 922970002504 + ... + 922970002525.

It is an arithmetic number, because the mean of its divisors is an integer number (5537820015090).

Almost surely, 2^{20305340055319} is an apocalyptic number.

20305340055319 is a deficient number, since it is larger than the sum of its proper divisors (1845940005041).

20305340055319 is a wasteful number, since it uses less digits than its factorization.

20305340055319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1845940005040.

The product of its (nonzero) digits is 243000, while the sum is 40.

The spelling of 20305340055319 in words is "twenty trillion, three hundred five billion, three hundred forty million, fifty-five thousand, three hundred nineteen".