1320322033 has 4 divisors (see below), whose sum is σ = 1340028400. Its totient is φ = 1300615668.

The previous prime is 1320322013. The next prime is 1320322039. The reversal of 1320322033 is 3302230231.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3302230231 = 149 ⋅22162619.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1320322033 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1320322033.

It is not an unprimeable number, because it can be changed into a prime (1320322039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9853083 + ... + 9853216.

It is an arithmetic number, because the mean of its divisors is an integer number (335007100).

Almost surely, 2^1320322033 is an apocalyptic number.

It is an amenable number.

1320322033 is a deficient number, since it is larger than the sum of its proper divisors (19706367).

1320322033 is an equidigital number, since it uses as much as digits as its factorization.

1320322033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19706366.

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 1320322033 is about 36336.2358122027. The cubic root of 1320322033 is about 1097.0505097335.

Adding to 1320322033 its reverse (3302230231), we get a palindrome (4622552264).

The spelling of 1320322033 in words is "one billion, three hundred twenty million, three hundred twenty-two thousand, thirty-three".