1320322004 has 6 divisors (see below), whose sum is σ = 2310563514. Its totient is φ = 660161000.

The previous prime is 1320321991. The next prime is 1320322007. The reversal of 1320322004 is 4002230231.

It can be written as a sum of positive squares in only one way, i.e., 1027843600 + 292478404 = 32060^2 + 17102^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320322007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165040247 + ... + 165040254.

It is an arithmetic number, because the mean of its divisors is an integer number (385093919).

Almost surely, 2^1320322004 is an apocalyptic number.

It is an amenable number.

1320322004 is a deficient number, since it is larger than the sum of its proper divisors (990241510).

1320322004 is a wasteful number, since it uses less digits than its factorization.

1320322004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330080505 (or 330080503 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 1320322004 is about 36336.2354131520. The cubic root of 1320322004 is about 1097.0505017015.

Adding to 1320322004 its reverse (4002230231), we get a palindrome (5322552235).

The spelling of 1320322004 in words is "one billion, three hundred twenty million, three hundred twenty-two thousand, four".