20314171345 has 8 divisors (see below), whose sum is σ = 26252159976. Its totient is φ = 15001234176.

The previous prime is 20314171333. The next prime is 20314171379. The reversal of 20314171345 is 54317141302.

It can be written as a sum of positive squares in 4 ways, for example, as 1188387729 + 19125783616 = 34473^2 + 138296^2 .

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 20314171345 - 2¹⁵ = 20314138577 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156262792 + ... + 156262921.

It is an arithmetic number, because the mean of its divisors is an integer number (3281519997).

Almost surely, 2^20314171345 is an apocalyptic number.

It is an amenable number.

20314171345 is a deficient number, since it is larger than the sum of its proper divisors (5937988631).

20314171345 is a wasteful number, since it uses less digits than its factorization.

20314171345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312525731.

The product of its (nonzero) digits is 10080, while the sum is 31.

The spelling of 20314171345 in words is "twenty billion, three hundred fourteen million, one hundred seventy-one thousand, three hundred forty-five".