2020421033 has 4 divisors (see below), whose sum is σ = 2026243920. Its totient is φ = 2014598148.

The previous prime is 2020421027. The next prime is 2020421089. The reversal of 2020421033 is 3301240202.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2020421033 - 2²⁸ = 1751985577 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2020721033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2910923 + ... + 2911616.

It is an arithmetic number, because the mean of its divisors is an integer number (506560980).

Almost surely, 2^2020421033 is an apocalyptic number.

It is an amenable number.

2020421033 is a deficient number, since it is larger than the sum of its proper divisors (5822887).

2020421033 is an equidigital number, since it uses as much as digits as its factorization.

2020421033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5822886.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 2020421033 is about 44949.0937950922. The cubic root of 2020421033 is about 1264.1946856111.

Adding to 2020421033 its reverse (3301240202), we get a palindrome (5321661235).

The spelling of 2020421033 in words is "two billion, twenty million, four hundred twenty-one thousand, thirty-three".