3020033221 has 4 divisors (see below), whose sum is σ = 3197682252. Its totient is φ = 2842384192.

The previous prime is 3020033213. The next prime is 3020033249. The reversal of 3020033221 is 1223300203.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1223300203 = 103 ⋅11876701.

It can be written as a sum of positive squares in 2 ways, for example, as 815730721 + 2204302500 = 28561^2 + 46950^2 .

It is a cyclic number.

It is not a de Polignac number, because 3020033221 - 2³ = 3020033213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3020033195 and 3020033204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3020033021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88824490 + ... + 88824523.

It is an arithmetic number, because the mean of its divisors is an integer number (799420563).

Almost surely, 2^3020033221 is an apocalyptic number.

It is an amenable number.

3020033221 is a deficient number, since it is larger than the sum of its proper divisors (177649031).

3020033221 is a wasteful number, since it uses less digits than its factorization.

3020033221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177649030.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 3020033221 is about 54954.8289143002. The cubic root of 3020033221 is about 1445.4527735085.

Adding to 3020033221 its reverse (1223300203), we get a palindrome (4243333424).

The spelling of 3020033221 in words is "three billion, twenty million, thirty-three thousand, two hundred twenty-one".