304086020 has 48 divisors (see below), whose sum is σ = 736538880. Its totient is φ = 103296384.

The previous prime is 304086019. The next prime is 304086023. The reversal of 304086020 is 20680403.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (304086023) 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, 5297 + ... + 25223.

It is an arithmetic number, because the mean of its divisors is an integer number (15344560).

Almost surely, 2^304086020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 304086020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (368269440).

304086020 is an abundant number, since it is smaller than the sum of its proper divisors (432452860).

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

304086020 is a wasteful number, since it uses less digits than its factorization.

304086020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20052 (or 20050 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 304086020 is about 17438.0623923646. The cubic root of 304086020 is about 672.4584958009.

The spelling of 304086020 in words is "three hundred four million, eighty-six thousand, twenty".