1320221314 has 4 divisors (see below), whose sum is σ = 1980331974. Its totient is φ = 660110656.

The previous prime is 1320221311. The next prime is 1320221333. The reversal of 1320221314 is 4131220231.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1259895025 + 60326289 = 35495^2 + 7767^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1320221291 and 1320221300.

It is not an unprimeable number, because it can be changed into a prime (1320221311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 330055327 + ... + 330055330.

Almost surely, 2^1320221314 is an apocalyptic number.

1320221314 is a deficient number, since it is larger than the sum of its proper divisors (660110660).

1320221314 is an equidigital number, since it uses as much as digits as its factorization.

1320221314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660110659.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1320221314 is about 36334.8498552010. The cubic root of 1320221314 is about 1097.0226133473.

Adding to 1320221314 its reverse (4131220231), we get a palindrome (5451441545).

The spelling of 1320221314 in words is "one billion, three hundred twenty million, two hundred twenty-one thousand, three hundred fourteen".