20601241 has 2 divisors, whose sum is σ = 20601242. Its totient is φ = 20601240.

The previous prime is 20601233. The next prime is 20601247. The reversal of 20601241 is 14210602.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12278016 + 8323225 = 3504^2 + 2885^2 .

It is a cyclic number.

It is not a de Polignac number, because 20601241 - 2³ = 20601233 is a prime.

It is a super-2 number, since 2×20601241² = 848822261480162, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20601247) 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 as a sum of consecutive naturals, namely, 10300620 + 10300621.

It is an arithmetic number, because the mean of its divisors is an integer number (10300621).

Almost surely, 2^20601241 is an apocalyptic number.

It is an amenable number.

20601241 is a deficient number, since it is larger than the sum of its proper divisors (1).

20601241 is an equidigital number, since it uses as much as digits as its factorization.

20601241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 20601241 is about 4538.8589975896. The cubic root of 20601241 is about 274.1349833071.

Adding to 20601241 its reverse (14210602), we get a palindrome (34811843).

The spelling of 20601241 in words is "twenty million, six hundred one thousand, two hundred forty-one".