20005033 has 8 divisors (see below), whose sum is σ = 20498688. Its totient is φ = 19514304.

The previous prime is 20005021. The next prime is 20005087. The reversal of 20005033 is 33050002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20005033 - 2⁹ = 20004521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20005003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19860 + ... + 20842.

It is an arithmetic number, because the mean of its divisors is an integer number (2562336).

Almost surely, 2^20005033 is an apocalyptic number.

It is an amenable number.

20005033 is a deficient number, since it is larger than the sum of its proper divisors (493655).

20005033 is an equidigital number, since it uses as much as digits as its factorization.

20005033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1463.

The product of its (nonzero) digits is 90, while the sum is 13.

The square root of 20005033 is about 4472.6986261093. The cubic root of 20005033 is about 271.4645291896.

Adding to 20005033 its reverse (33050002), we get a palindrome (53055035).

The spelling of 20005033 in words is "twenty million, five thousand, thirty-three".