1320717466 has 16 divisors (see below), whose sum is σ = 2032046280. Its totient is φ = 643567680.

The previous prime is 1320717457. The next prime is 1320717469. The reversal of 1320717466 is 6647170231.

It can be written as a sum of positive squares in 4 ways, for example, as 684921241 + 635796225 = 26171^2 + 25215^2 .

It is a super-2 number, since 2×1320717466² = 3488589249994922312, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1320717469) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36361 + ... + 62956.

Almost surely, 2^1320717466 is an apocalyptic number.

1320717466 is a deficient number, since it is larger than the sum of its proper divisors (711328814).

1320717466 is a wasteful number, since it uses less digits than its factorization.

1320717466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99489.

The product of its (nonzero) digits is 42336, while the sum is 37.

The square root of 1320717466 is about 36341.6767087046. The cubic root of 1320717466 is about 1097.1600200556.

Adding to 1320717466 its reverse (6647170231), we get a palindrome (7967887697).

The spelling of 1320717466 in words is "one billion, three hundred twenty million, seven hundred seventeen thousand, four hundred sixty-six".