20343241 has 4 divisors (see below), whose sum is σ = 20503552. Its totient is φ = 20182932.

The previous prime is 20343227. The next prime is 20343263. The reversal of 20343241 is 14234302.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20343241 - 2⁵ = 20343209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20353241) 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, 79965 + ... + 80218.

It is an arithmetic number, because the mean of its divisors is an integer number (5125888).

Almost surely, 2^20343241 is an apocalyptic number.

It is an amenable number.

20343241 is a deficient number, since it is larger than the sum of its proper divisors (160311).

20343241 is a wasteful number, since it uses less digits than its factorization.

20343241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160310.

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

The square root of 20343241 is about 4510.3482127215. The cubic root of 20343241 is about 272.9857944994.

Adding to 20343241 its reverse (14234302), we get a palindrome (34577543).

The spelling of 20343241 in words is "twenty million, three hundred forty-three thousand, two hundred forty-one".