1200320066 has 8 divisors (see below), whose sum is σ = 1964160144. Its totient is φ = 545600020.

The previous prime is 1200320047. The next prime is 1200320081. The reversal of 1200320066 is 6600230021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27279980 + ... + 27280023.

It is an arithmetic number, because the mean of its divisors is an integer number (245520018).

Almost surely, 2^1200320066 is an apocalyptic number.

1200320066 is a deficient number, since it is larger than the sum of its proper divisors (763840078).

1200320066 is a wasteful number, since it uses less digits than its factorization.

1200320066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54560016.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 1200320066 is about 34645.6355981529. The cubic root of 1200320066 is about 1062.7530388056.

Adding to 1200320066 its reverse (6600230021), we get a palindrome (7800550087).

The spelling of 1200320066 in words is "one billion, two hundred million, three hundred twenty thousand, sixty-six".