20333039 has 2 divisors, whose sum is σ = 20333040. Its totient is φ = 20333038.

The previous prime is 20333011. The next prime is 20333041. The reversal of 20333039 is 93033302.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20333039 is a prime.

Together with 20333041, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20333009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10166519 + 10166520.

It is an arithmetic number, because the mean of its divisors is an integer number (10166520).

Almost surely, 2^20333039 is an apocalyptic number.

20333039 is a deficient number, since it is larger than the sum of its proper divisors (1).

20333039 is an equidigital number, since it uses as much as digits as its factorization.

20333039 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 20333039 is about 4509.2171160857. The cubic root of 20333039 is about 272.9401533491.

The spelling of 20333039 in words is "twenty million, three hundred thirty-three thousand, thirty-nine".