1320219968 has 14 divisors (see below), whose sum is σ = 2619811626. Its totient is φ = 660109952.

The previous prime is 1320219947. The next prime is 1320220001. The reversal of 1320219968 is 8699120231.

It can be written as a sum of positive squares in only one way, i.e., 1269639424 + 50580544 = 35632^2 + 7112^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10314155 + ... + 10314282.

Almost surely, 2^1320219968 is an apocalyptic number.

It is an amenable number.

1320219968 is a deficient number, since it is larger than the sum of its proper divisors (1299591658).

1320219968 is an equidigital number, since it uses as much as digits as its factorization.

1320219968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20628449 (or 20628439 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 41.

The square root of 1320219968 is about 36334.8313330336. The cubic root of 1320219968 is about 1097.0222405328.

The spelling of 1320219968 in words is "one billion, three hundred twenty million, two hundred nineteen thousand, nine hundred sixty-eight".