304245020 has 24 divisors (see below), whose sum is σ = 647669904. Its totient is φ = 120030336.

The previous prime is 304245017. The next prime is 304245023. The reversal of 304245020 is 20542403.

It is an interprime number because it is at equal distance from previous prime (304245017) and next prime (304245023).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 304244983 and 304245001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304245023) 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 7 ways as a sum of consecutive naturals, for example, 102734 + ... + 105653.

It is an arithmetic number, because the mean of its divisors is an integer number (26986246).

Almost surely, 2^304245020 is an apocalyptic number.

It is an amenable number.

304245020 is an abundant number, since it is smaller than the sum of its proper divisors (343424884).

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

304245020 is a wasteful number, since it uses less digits than its factorization.

304245020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208469 (or 208467 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 304245020 is about 17442.6207893195. The cubic root of 304245020 is about 672.5756800445.

Adding to 304245020 its reverse (20542403), we get a palindrome (324787423).

The spelling of 304245020 in words is "three hundred four million, two hundred forty-five thousand, twenty".