20412241 has 4 divisors (see below), whose sum is σ = 20846592. Its totient is φ = 19977892.

The previous prime is 20412233. The next prime is 20412253. The reversal of 20412241 is 14221402.

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 20412241 - 2³ = 20412233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20412221) 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, 217105 + ... + 217198.

It is an arithmetic number, because the mean of its divisors is an integer number (5211648).

Almost surely, 2^20412241 is an apocalyptic number.

It is an amenable number.

20412241 is a deficient number, since it is larger than the sum of its proper divisors (434351).

20412241 is an equidigital number, since it uses as much as digits as its factorization.

20412241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434350.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 20412241 is about 4517.9908145104. The cubic root of 20412241 is about 273.2940830347.

Adding to 20412241 its reverse (14221402), we get a palindrome (34633643).

The spelling of 20412241 in words is "twenty million, four hundred twelve thousand, two hundred forty-one".