1320216774 has 8 divisors (see below), whose sum is σ = 2640433560. Its totient is φ = 440072256.

The previous prime is 1320216757. The next prime is 1320216797. The reversal of 1320216774 is 4776120231.

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

1320216774 is an admirable number.

It is a congruent number.

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, 110018059 + ... + 110018070.

It is an arithmetic number, because the mean of its divisors is an integer number (330054195).

Almost surely, 2^1320216774 is an apocalyptic number.

1320216774 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1320216774 is a wasteful number, since it uses less digits than its factorization.

1320216774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220036134.

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 1320216774 is about 36334.7873806907. The cubic root of 1320216774 is about 1097.0213558591.

The spelling of 1320216774 in words is "one billion, three hundred twenty million, two hundred sixteen thousand, seven hundred seventy-four".