20006241 has 4 divisors (see below), whose sum is σ = 26674992. Its totient is φ = 13337492.

The previous prime is 20006227. The next prime is 20006243. The reversal of 20006241 is 14260002.

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 20006241 - 2⁵ = 20006209 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20006241.

It is not an unprimeable number, because it can be changed into a prime (20006243) 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, 3334371 + ... + 3334376.

It is an arithmetic number, because the mean of its divisors is an integer number (6668748).

Almost surely, 2^20006241 is an apocalyptic number.

It is an amenable number.

20006241 is a deficient number, since it is larger than the sum of its proper divisors (6668751).

20006241 is an equidigital number, since it uses as much as digits as its factorization.

20006241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6668750.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 20006241 is about 4472.8336655861. The cubic root of 20006241 is about 271.4699931904.

Adding to 20006241 its reverse (14260002), we get a palindrome (34266243).

The spelling of 20006241 in words is "twenty million, six thousand, two hundred forty-one".