1304020244 has 12 divisors (see below), whose sum is σ = 2282952000. Its totient is φ = 651748248.

The previous prime is 1304020219. The next prime is 1304020247. The reversal of 1304020244 is 4420204031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1304020247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54044 + ... + 74355.

It is an arithmetic number, because the mean of its divisors is an integer number (190246000).

Almost surely, 2^1304020244 is an apocalyptic number.

It is an amenable number.

1304020244 is a deficient number, since it is larger than the sum of its proper divisors (978931756).

1304020244 is a wasteful number, since it uses less digits than its factorization.

1304020244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130942 (or 130940 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 1304020244 is about 36111.2204723130. The cubic root of 1304020244 is about 1092.5167678045.

Adding to 1304020244 its reverse (4420204031), we get a palindrome (5724224275).

The spelling of 1304020244 in words is "one billion, three hundred four million, twenty thousand, two hundred forty-four".