1002320804 has 24 divisors (see below), whose sum is σ = 1790163648. Its totient is φ = 490929120.

The previous prime is 1002320801. The next prime is 1002320827. The reversal of 1002320804 is 4080232001.

It is not an unprimeable number, because it can be changed into a prime (1002320801) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38177 + ... + 58839.

It is an arithmetic number, because the mean of its divisors is an integer number (74590152).

Almost surely, 2^1002320804 is an apocalyptic number.

It is an amenable number.

1002320804 is a deficient number, since it is larger than the sum of its proper divisors (787842844).

1002320804 is a wasteful number, since it uses less digits than its factorization.

1002320804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20915 (or 20913 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1002320804 is about 31659.4504690148. The cubic root of 1002320804 is about 1000.7730036447.

Adding to 1002320804 its reverse (4080232001), we get a palindrome (5082552805).

The spelling of 1002320804 in words is "one billion, two million, three hundred twenty thousand, eight hundred four".