20331301 has 2 divisors, whose sum is σ = 20331302. Its totient is φ = 20331300.

The previous prime is 20331281. The next prime is 20331313. The reversal of 20331301 is 10313302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19351201 + 980100 = 4399^2 + 990^2 .

It is a cyclic number.

It is not a de Polignac number, because 20331301 - 2¹⁹ = 19807013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20331601) 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, 10165650 + 10165651.

It is an arithmetic number, because the mean of its divisors is an integer number (10165651).

Almost surely, 2^20331301 is an apocalyptic number.

It is an amenable number.

20331301 is a deficient number, since it is larger than the sum of its proper divisors (1).

20331301 is an equidigital number, since it uses as much as digits as its factorization.

20331301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 20331301 is about 4509.0243955871. The cubic root of 20331301 is about 272.9323764578.

Adding to 20331301 its reverse (10313302), we get a palindrome (30644603).

The spelling of 20331301 in words is "twenty million, three hundred thirty-one thousand, three hundred one".