304131242020 has 96 divisors (see below), whose sum is σ = 686444129280. Its totient is φ = 112772782080.

The previous prime is 304131241961. The next prime is 304131242039. The reversal of 304131242020 is 20242131403.

It is a junction number, because it is equal to n+sod(n) for n = 304131241982 and 304131242000.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26958741 + ... + 26970019.

It is an arithmetic number, because the mean of its divisors is an integer number (7150459680).

Almost surely, 2^304131242020 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 304131242020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (343222064640).

304131242020 is an abundant number, since it is smaller than the sum of its proper divisors (382312887260).

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

304131242020 is a wasteful number, since it uses less digits than its factorization.

304131242020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12493 (or 12491 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 304131242020 its reverse (20242131403), we get a palindrome (324373373423).

The spelling of 304131242020 in words is "three hundred four billion, one hundred thirty-one million, two hundred forty-two thousand, twenty".