304052221020 has 48 divisors (see below), whose sum is σ = 851420414880. Its totient is φ = 81073526016.

The previous prime is 304052221013. The next prime is 304052221021. The reversal of 304052221020 is 20122250403.

304052221020 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304052221021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 492414 + ... + 922266.

It is an arithmetic number, because the mean of its divisors is an integer number (17737925310).

Almost surely, 2^304052221020 is an apocalyptic number.

304052221020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

304052221020 is an abundant number, since it is smaller than the sum of its proper divisors (547368193860).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

304052221020 is a wasteful number, since it uses less digits than its factorization.

304052221020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441654 (or 441652 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

Adding to 304052221020 its reverse (20122250403), we get a palindrome (324174471423).

The spelling of 304052221020 in words is "three hundred four billion, fifty-two million, two hundred twenty-one thousand, twenty".