20330941 has 2 divisors, whose sum is σ = 20330942. Its totient is φ = 20330940.

The previous prime is 20330923. The next prime is 20330951. The reversal of 20330941 is 14903302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19272100 + 1058841 = 4390^2 + 1029^2 .

It is a cyclic number.

It is not a de Polignac number, because 20330941 - 2¹⁹ = 19806653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20330911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10165470 + 10165471.

It is an arithmetic number, because the mean of its divisors is an integer number (10165471).

Almost surely, 2^20330941 is an apocalyptic number.

It is an amenable number.

20330941 is a deficient number, since it is larger than the sum of its proper divisors (1).

20330941 is an equidigital number, since it uses as much as digits as its factorization.

20330941 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 20330941 is about 4508.9844754667. The cubic root of 20330941 is about 272.9307655388.

The spelling of 20330941 in words is "twenty million, three hundred thirty thousand, nine hundred forty-one".