20001210241 has 2 divisors, whose sum is σ = 20001210242. Its totient is φ = 20001210240.

The previous prime is 20001210239. The next prime is 20001210247. The reversal of 20001210241 is 14201210002.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19439330625 + 561879616 = 139425^2 + 23704^2 .

It is a cyclic number.

It is not a de Polignac number, because 20001210241 - 2¹ = 20001210239 is a prime.

It is a super-2 number, since 2×20001210241² (a number of 21 digits) contains 22 as substring.

Together with 20001210239, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (20001210247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10000605120 + 10000605121.

It is an arithmetic number, because the mean of its divisors is an integer number (10000605121).

Almost surely, 2^20001210241 is an apocalyptic number.

It is an amenable number.

20001210241 is a deficient number, since it is larger than the sum of its proper divisors (1).

20001210241 is an equidigital number, since it uses as much as digits as its factorization.

20001210241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20001210241 its reverse (14201210002), we get a palindrome (34202420243).

The spelling of 20001210241 in words is "twenty billion, one million, two hundred ten thousand, two hundred forty-one".