20967433 has 2 divisors, whose sum is σ = 20967434. Its totient is φ = 20967432.

The previous prime is 20967413. The next prime is 20967451. The reversal of 20967433 is 33476902.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14040009 + 6927424 = 3747^2 + 2632^2 .

It is a cyclic number.

It is not a de Polignac number, because 20967433 - 2⁹ = 20966921 is a prime.

It is a zygodrome in base 8.

It is not a weakly prime, because it can be changed into another prime (20967413) 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, 10483716 + 10483717.

It is an arithmetic number, because the mean of its divisors is an integer number (10483717).

Almost surely, 2^20967433 is an apocalyptic number.

It is an amenable number.

20967433 is a deficient number, since it is larger than the sum of its proper divisors (1).

20967433 is an equidigital number, since it uses as much as digits as its factorization.

20967433 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 34.

The square root of 20967433 is about 4579.0209652283. The cubic root of 20967433 is about 275.7497249867.

The spelling of 20967433 in words is "twenty million, nine hundred sixty-seven thousand, four hundred thirty-three".