20141305 has 4 divisors (see below), whose sum is σ = 24169572. Its totient is φ = 16113040.

The previous prime is 20141269. The next prime is 20141309. The reversal of 20141305 is 50314102.

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

It can be written as a sum of positive squares in 2 ways, for example, as 15578809 + 4562496 = 3947^2 + 2136^2 .

It is not a de Polignac number, because 20141305 - 2¹¹ = 20139257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20141309) 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, 2014126 + ... + 2014135.

It is an arithmetic number, because the mean of its divisors is an integer number (6042393).

Almost surely, 2^20141305 is an apocalyptic number.

It is an amenable number.

20141305 is a deficient number, since it is larger than the sum of its proper divisors (4028267).

20141305 is an equidigital number, since it uses as much as digits as its factorization.

20141305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4028266.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 20141305 is about 4487.9065275471. The cubic root of 20141305 is about 272.0795299807.

Adding to 20141305 its reverse (50314102), we get a palindrome (70455407).

The spelling of 20141305 in words is "twenty million, one hundred forty-one thousand, three hundred five".