1320699008 has 32 divisors (see below), whose sum is σ = 2745480960. Its totient is φ = 631637248.

The previous prime is 1320698963. The next prime is 1320699049. The reversal of 1320699008 is 8009960231.

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 221360 + ... + 227247.

It is an arithmetic number, because the mean of its divisors is an integer number (85796280).

Almost surely, 2^1320699008 is an apocalyptic number.

It is an amenable number.

1320699008 is an abundant number, since it is smaller than the sum of its proper divisors (1424781952).

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

1320699008 is an equidigital number, since it uses as much as digits as its factorization.

1320699008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448644 (or 448632 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 1320699008 is about 36341.4227569588. The cubic root of 1320699008 is about 1097.1549088251.

The spelling of 1320699008 in words is "one billion, three hundred twenty million, six hundred ninety-nine thousand, eight".