20097241 has 2 divisors, whose sum is σ = 20097242. Its totient is φ = 20097240.

The previous prime is 20097223. The next prime is 20097263. The reversal of 20097241 is 14279002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19175641 + 921600 = 4379^2 + 960^2 .

It is a cyclic number.

It is not a de Polignac number, because 20097241 - 2⁷ = 20097113 is a prime.

It is equal to p_1276423 and since 20097241 and 1276423 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (20097221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10048620 + 10048621.

It is an arithmetic number, because the mean of its divisors is an integer number (10048621).

Almost surely, 2^20097241 is an apocalyptic number.

It is an amenable number.

20097241 is a deficient number, since it is larger than the sum of its proper divisors (1).

20097241 is an equidigital number, since it uses as much as digits as its factorization.

20097241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 20097241 is about 4482.9946464389. The cubic root of 20097241 is about 271.8809717453.

The spelling of 20097241 in words is "twenty million, ninety-seven thousand, two hundred forty-one".