1020321304 has 16 divisors (see below), whose sum is σ = 1920218400. Its totient is φ = 508263072.

The previous prime is 1020321293. The next prime is 1020321311. The reversal of 1020321304 is 4031230201.

It is a happy number.

1020321304 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 234912 + ... + 239215.

It is an arithmetic number, because the mean of its divisors is an integer number (120013650).

Almost surely, 2^1020321304 is an apocalyptic number.

It is an amenable number.

1020321304 is a deficient number, since it is larger than the sum of its proper divisors (899897096).

1020321304 is a wasteful number, since it uses less digits than its factorization.

1020321304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474402 (or 474398 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1020321304 is about 31942.4686585117. The cubic root of 1020321304 is about 1006.7283951641.

Adding to 1020321304 its reverse (4031230201), we get a palindrome (5051551505).

The spelling of 1020321304 in words is "one billion, twenty million, three hundred twenty-one thousand, three hundred four".