304442205152020 has 36 divisors (see below), whose sum is σ = 692290765924380. Its totient is φ = 112409429593344.

The previous prime is 304442205152017. The next prime is 304442205152021. The reversal of 304442205152020 is 20251502244403.

It can be written as a sum of positive squares in 6 ways, for example, as 52829580412816 + 251612624739204 = 7268396^2 + 15862302^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304442205152021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45035825785 + ... + 45035832544.

It is an arithmetic number, because the mean of its divisors is an integer number (19230299053455).

Almost surely, 2^{304442205152020} is an apocalyptic number.

It is an amenable number.

304442205152020 is an abundant number, since it is smaller than the sum of its proper divisors (387848560772360).

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

304442205152020 is a wasteful number, since it uses less digits than its factorization.

304442205152020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90071658364 (or 90071658349 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 34.

Adding to 304442205152020 its reverse (20251502244403), we get a palindrome (324693707396423).

The spelling of 304442205152020 in words is "three hundred four trillion, four hundred forty-two billion, two hundred five million, one hundred fifty-two thousand, twenty".