20333483 has 2 divisors, whose sum is σ = 20333484. Its totient is φ = 20333482.

The previous prime is 20333473. The next prime is 20333543. The reversal of 20333483 is 38433302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20333483 - 2²⁰ = 19284907 is a prime.

It is a super-2 number, since 2×20333483² = 826901061822578, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20333473) 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, 10166741 + 10166742.

It is an arithmetic number, because the mean of its divisors is an integer number (10166742).

Almost surely, 2^20333483 is an apocalyptic number.

20333483 is a deficient number, since it is larger than the sum of its proper divisors (1).

20333483 is an equidigital number, since it uses as much as digits as its factorization.

20333483 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 26.

The square root of 20333483 is about 4509.2663483099. The cubic root of 20333483 is about 272.9421400098.

Adding to 20333483 its reverse (38433302), we get a palindrome (58766785).

The spelling of 20333483 in words is "twenty million, three hundred thirty-three thousand, four hundred eighty-three".