1320013201 has 48 divisors (see below), whose sum is σ = 1581120000. Its totient is φ = 1097141760.

The previous prime is 1320013199. The next prime is 1320013207. The reversal of 1320013201 is 1023100231.

It is not a de Polignac number, because 1320013201 - 2¹ = 1320013199 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1320013207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8859075 + ... + 8859223.

It is an arithmetic number, because the mean of its divisors is an integer number (32940000).

Almost surely, 2^1320013201 is an apocalyptic number.

It is an amenable number.

1320013201 is a deficient number, since it is larger than the sum of its proper divisors (261106799).

1320013201 is a wasteful number, since it uses less digits than its factorization.

1320013201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314 (or 301 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1320013201 is about 36331.9859214990. The cubic root of 1320013201 is about 1096.9649672890.

Adding to 1320013201 its reverse (1023100231), we get a palindrome (2343113432).

The spelling of 1320013201 in words is "one billion, three hundred twenty million, thirteen thousand, two hundred one".