2304545220 has 72 divisors (see below), whose sum is σ = 7160975640. Its totient is φ = 599554560.

The previous prime is 2304545213. The next prime is 2304545231. The reversal of 2304545220 is 225454032.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 106998336 + 2197546884 = 10344^2 + 46878^2 .

It is a super-3 number, since 3×2304545220³ (a number of 29 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 148755 + ... + 163514.

It is an arithmetic number, because the mean of its divisors is an integer number (99457995).

Almost surely, 2^2304545220 is an apocalyptic number.

2304545220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2304545220 is an abundant number, since it is smaller than the sum of its proper divisors (4856430420).

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

2304545220 is a wasteful number, since it uses less digits than its factorization.

2304545220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312325 (or 312320 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 2304545220 is about 48005.6790390470. The cubic root of 2304545220 is about 1320.8750740247.

Adding to 2304545220 its reverse (225454032), we get a palindrome (2529999252).

It can be divided in two parts, 23045 and 45220, that added together give a triangular number (68265 = T₃₆₉).

The spelling of 2304545220 in words is "two billion, three hundred four million, five hundred forty-five thousand, two hundred twenty".