1320433552 has 10 divisors (see below), whose sum is σ = 2558340038. Its totient is φ = 660216768.

The previous prime is 1320433531. The next prime is 1320433567. The reversal of 1320433552 is 2553340231.

It can be written as a sum of positive squares in only one way, i.e., 718025616 + 602407936 = 26796^2 + 24544^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1320433552.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41263533 + ... + 41263564.

Almost surely, 2^1320433552 is an apocalyptic number.

It is an amenable number.

1320433552 is a deficient number, since it is larger than the sum of its proper divisors (1237906486).

1320433552 is an equidigital number, since it uses as much as digits as its factorization.

1320433552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82527105 (or 82527099 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 28.

The square root of 1320433552 is about 36337.7703223519. The cubic root of 1320433552 is about 1097.0813957670.

Adding to 1320433552 its reverse (2553340231), we get a palindrome (3873773783).

The spelling of 1320433552 in words is "one billion, three hundred twenty million, four hundred thirty-three thousand, five hundred fifty-two".