1320354216 has 64 divisors (see below), whose sum is σ = 3752971200. Its totient is φ = 429879744.

The previous prime is 1320354199. The next prime is 1320354229. The reversal of 1320354216 is 6124530231.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 1320354216.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61791 + ... + 80366.

It is an arithmetic number, because the mean of its divisors is an integer number (58640175).

Almost surely, 2^1320354216 is an apocalyptic number.

It is an amenable number.

1320354216 is an abundant number, since it is smaller than the sum of its proper divisors (2432616984).

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

1320354216 is a wasteful number, since it uses less digits than its factorization.

1320354216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142215 (or 142205 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 1320354216 is about 36336.6786594482. The cubic root of 1320354216 is about 1097.0594232382.

Adding to 1320354216 its reverse (6124530231), we get a palindrome (7444884447).

The spelling of 1320354216 in words is "one billion, three hundred twenty million, three hundred fifty-four thousand, two hundred sixteen".