1320202004 has 48 divisors (see below), whose sum is σ = 2658808320. Its totient is φ = 567272160.

The previous prime is 1320201989. The next prime is 1320202021. The reversal of 1320202004 is 4002020231.

It is a self number, because there is not a number n which added to its sum of digits gives 1320202004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 455849 + ... + 458735.

It is an arithmetic number, because the mean of its divisors is an integer number (55391840).

Almost surely, 2^1320202004 is an apocalyptic number.

It is an amenable number.

1320202004 is an abundant number, since it is smaller than the sum of its proper divisors (1338606316).

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

1320202004 is a wasteful number, since it uses less digits than its factorization.

1320202004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3468 (or 3466 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 1320202004 is about 36334.5841313754. The cubic root of 1320202004 is about 1097.0172648476.

Adding to 1320202004 its reverse (4002020231), we get a palindrome (5322222235).

The spelling of 1320202004 in words is "one billion, three hundred twenty million, two hundred two thousand, four".