20330339 has 2 divisors, whose sum is σ = 20330340. Its totient is φ = 20330338.

The previous prime is 20330333. The next prime is 20330369. The reversal of 20330339 is 93303302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20330339 - 2⁸ = 20330083 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (20330333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10165169 + 10165170.

It is an arithmetic number, because the mean of its divisors is an integer number (10165170).

Almost surely, 2^20330339 is an apocalyptic number.

20330339 is a deficient number, since it is larger than the sum of its proper divisors (1).

20330339 is an equidigital number, since it uses as much as digits as its factorization.

20330339 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1458, while the sum is 23.

The square root of 20330339 is about 4508.9177193646. The cubic root of 20330339 is about 272.9280716818.

The spelling of 20330339 in words is "twenty million, three hundred thirty thousand, three hundred thirty-nine".