20020020033 has 12 divisors (see below), whose sum is σ = 28904645040. Its totient is φ = 12320012016.

The previous prime is 20020020017. The next prime is 20020020043. The reversal of 20020020033 is 33002002002.

It is not a de Polignac number, because 20020020033 - 2⁴ = 20020020017 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20020020043) 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 in 11 ways as a sum of consecutive naturals, for example, 19743103 + ... + 19744116.

It is an arithmetic number, because the mean of its divisors is an integer number (2408720420).

Almost surely, 2^20020020033 is an apocalyptic number.

It is an amenable number.

20020020033 is a deficient number, since it is larger than the sum of its proper divisors (8884625007).

20020020033 is a wasteful number, since it uses less digits than its factorization.

20020020033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39487248 (or 39487235 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 12.

Adding to 20020020033 its reverse (33002002002), we get a palindrome (53022022035).

The spelling of 20020020033 in words is "twenty billion, twenty million, twenty thousand, thirty-three".