1220332304 has 20 divisors (see below), whose sum is σ = 2488836240. Its totient is φ = 578052000.

The previous prime is 1220332283. The next prime is 1220332319. The reversal of 1220332304 is 4032330221.

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 3 ways as a sum of consecutive naturals, for example, 2006822 + ... + 2007429.

It is an arithmetic number, because the mean of its divisors is an integer number (124441812).

Almost surely, 2^1220332304 is an apocalyptic number.

It is an amenable number.

1220332304 is an abundant number, since it is smaller than the sum of its proper divisors (1268503936).

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

1220332304 is a wasteful number, since it uses less digits than its factorization.

1220332304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4014278 (or 4014272 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 1220332304 is about 34933.2549871895. The cubic root of 1220332304 is about 1068.6267368346.

Adding to 1220332304 its reverse (4032330221), we get a palindrome (5252662525).

The spelling of 1220332304 in words is "one billion, two hundred twenty million, three hundred thirty-two thousand, three hundred four".