3020301221 has 4 divisors (see below), whose sum is σ = 3451772832. Its totient is φ = 2588829612.

The previous prime is 3020301217. The next prime is 3020301223. The reversal of 3020301221 is 1221030203.

It is a happy number.

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 3020301221 - 2² = 3020301217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3020301196 and 3020301205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3020301223) 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 3 ways as a sum of consecutive naturals, for example, 215735795 + ... + 215735808.

It is an arithmetic number, because the mean of its divisors is an integer number (862943208).

Almost surely, 2^3020301221 is an apocalyptic number.

It is an amenable number.

3020301221 is a deficient number, since it is larger than the sum of its proper divisors (431471611).

3020301221 is an equidigital number, since it uses as much as digits as its factorization.

3020301221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431471610.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 3020301221 is about 54957.2672264551. The cubic root of 3020301221 is about 1445.4955290962.

Adding to 3020301221 its reverse (1221030203), we get a palindrome (4241331424).

The spelling of 3020301221 in words is "three billion, twenty million, three hundred one thousand, two hundred twenty-one".