20020241 has 4 divisors (see below), whose sum is σ = 20485872. Its totient is φ = 19554612.

The previous prime is 20020223. The next prime is 20020267. The reversal of 20020241 is 14202002.

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, and also an emirpimes, since its reverse is a distinct semiprime: 14202002 = 2 ⋅7101001.

It is a cyclic number.

It is not a de Polignac number, because 20020241 - 2¹⁴ = 20003857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20020291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 232751 + ... + 232836.

It is an arithmetic number, because the mean of its divisors is an integer number (5121468).

Almost surely, 2^20020241 is an apocalyptic number.

It is an amenable number.

20020241 is a deficient number, since it is larger than the sum of its proper divisors (465631).

20020241 is an equidigital number, since it uses as much as digits as its factorization.

20020241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465630.

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 20020241 is about 4474.3983953153. The cubic root of 20020241 is about 271.5333016637.

Adding to 20020241 its reverse (14202002), we get a palindrome (34222243).

The spelling of 20020241 in words is "twenty million, twenty thousand, two hundred forty-one".