20833441 has 2 divisors, whose sum is σ = 20833442. Its totient is φ = 20833440.

The previous prime is 20833433. The next prime is 20833487. The reversal of 20833441 is 14433802.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20611600 + 221841 = 4540^2 + 471^2 .

It is a cyclic number.

It is not a de Polignac number, because 20833441 - 2³ = 20833433 is a prime.

It is not a weakly prime, because it can be changed into another prime (20833411) 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, 10416720 + 10416721.

It is an arithmetic number, because the mean of its divisors is an integer number (10416721).

Almost surely, 2^20833441 is an apocalyptic number.

It is an amenable number.

20833441 is a deficient number, since it is larger than the sum of its proper divisors (1).

20833441 is an equidigital number, since it uses as much as digits as its factorization.

20833441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 20833441 is about 4564.3664401536. The cubic root of 20833441 is about 275.1610780837.

The spelling of 20833441 in words is "twenty million, eight hundred thirty-three thousand, four hundred forty-one".