304024020 has 96 divisors (see below), whose sum is σ = 883128960. Its totient is φ = 78090240.

The previous prime is 304024009. The next prime is 304024027. The reversal of 304024020 is 20420403.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304024027) 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 31 ways as a sum of consecutive naturals, for example, 203436 + ... + 204924.

It is an arithmetic number, because the mean of its divisors is an integer number (9199260).

Almost surely, 2^304024020 is an apocalyptic number.

304024020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 304024020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (441564480).

304024020 is an abundant number, since it is smaller than the sum of its proper divisors (579104940).

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

304024020 is a wasteful number, since it uses less digits than its factorization.

304024020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1625 (or 1623 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 304024020 is about 17436.2845812977. The cubic root of 304024020 is about 672.4127902463.

Adding to 304024020 its reverse (20420403), we get a palindrome (324444423).

The spelling of 304024020 in words is "three hundred four million, twenty-four thousand, twenty".