304135345020 has 192 divisors, whose sum is σ = 928727654400. Its totient is φ = 73918006272.

The previous prime is 304135345009. The next prime is 304135345049. The reversal of 304135345020 is 20543531403.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 28033237 + ... + 28044083.

It is an arithmetic number, because the mean of its divisors is an integer number (4837123200).

Almost surely, 2^304135345020 is an apocalyptic number.

304135345020 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 304135345020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (464363827200).

304135345020 is an abundant number, since it is smaller than the sum of its proper divisors (624592309380).

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

304135345020 is a wasteful number, since it uses less digits than its factorization.

304135345020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11324 (or 11322 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 30.

Adding to 304135345020 its reverse (20543531403), we get a palindrome (324678876423).

The spelling of 304135345020 in words is "three hundred four billion, one hundred thirty-five million, three hundred forty-five thousand, twenty".