20314243 has 4 divisors (see below), whose sum is σ = 20372800. Its totient is φ = 20255688.

The previous prime is 20314241. The next prime is 20314247. The reversal of 20314243 is 34241302.

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 20314243 - 2¹ = 20314241 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 20314243.

It is not an unprimeable number, because it can be changed into a prime (20314241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28755 + ... + 29452.

It is an arithmetic number, because the mean of its divisors is an integer number (5093200).

Almost surely, 2^20314243 is an apocalyptic number.

20314243 is a deficient number, since it is larger than the sum of its proper divisors (58557).

20314243 is an equidigital number, since it uses as much as digits as its factorization.

20314243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58556.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 20314243 is about 4507.1324586704. The cubic root of 20314243 is about 272.8560248407.

Adding to 20314243 its reverse (34241302), we get a palindrome (54555545).

The spelling of 20314243 in words is "twenty million, three hundred fourteen thousand, two hundred forty-three".