304001101220 has 24 divisors (see below), whose sum is σ = 638417383800. Its totient is φ = 121597569792.

The previous prime is 304001101213. The next prime is 304001101241. The reversal of 304001101220 is 22101100403.

It can be written as a sum of positive squares in 4 ways, for example, as 47333223844 + 256667877376 = 217562^2 + 506624^2 .

It is a junction number, because it is equal to n+sod(n) for n = 304001101195 and 304001101204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 826496 + ... + 1136264.

It is an arithmetic number, because the mean of its divisors is an integer number (26600724325).

Almost surely, 2^304001101220 is an apocalyptic number.

It is an amenable number.

304001101220 is an abundant number, since it is smaller than the sum of its proper divisors (334416282580).

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

304001101220 is a wasteful number, since it uses less digits than its factorization.

304001101220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358847 (or 358845 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 304001101220 its reverse (22101100403), we get a palindrome (326102201623).

The spelling of 304001101220 in words is "three hundred four billion, one million, one hundred one thousand, two hundred twenty".