20033411 has 2 divisors, whose sum is σ = 20033412. Its totient is φ = 20033410.

The previous prime is 20033401. The next prime is 20033413. The reversal of 20033411 is 11433002.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20033411 is a prime.

Together with 20033413, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (20033413) 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, 10016705 + 10016706.

It is an arithmetic number, because the mean of its divisors is an integer number (10016706).

Almost surely, 2^20033411 is an apocalyptic number.

20033411 is a deficient number, since it is larger than the sum of its proper divisors (1).

20033411 is an equidigital number, since it uses as much as digits as its factorization.

20033411 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 20033411 is about 4475.8698595915. The cubic root of 20033411 is about 271.5928299133.

Adding to 20033411 its reverse (11433002), we get a palindrome (31466413).

The spelling of 20033411 in words is "twenty million, thirty-three thousand, four hundred eleven".