20201241 has 4 divisors (see below), whose sum is σ = 26934992. Its totient is φ = 13467492.

The previous prime is 20201239. The next prime is 20201249. The reversal of 20201241 is 14210202.

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 not a de Polignac number, because 20201241 - 2¹ = 20201239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20201249) 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, 3366871 + ... + 3366876.

It is an arithmetic number, because the mean of its divisors is an integer number (6733748).

Almost surely, 2^20201241 is an apocalyptic number.

It is an amenable number.

20201241 is a deficient number, since it is larger than the sum of its proper divisors (6733751).

20201241 is an equidigital number, since it uses as much as digits as its factorization.

20201241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6733750.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 20201241 is about 4494.5790681665. The cubic root of 20201241 is about 272.3491452435.

Adding to 20201241 its reverse (14210202), we get a palindrome (34411443).

The spelling of 20201241 in words is "twenty million, two hundred one thousand, two hundred forty-one".