1320023322029 has 4 divisors (see below), whose sum is σ = 1320033374940. Its totient is φ = 1320013269120.

The previous prime is 1320023321999. The next prime is 1320023322041. The reversal of 1320023322029 is 9202233200231.

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 2 ways, for example, as 821149505929 + 498873816100 = 906173^2 + 706310^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1320023322029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1320023321992 and 1320023322010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320023322329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4826852 + ... + 5092989.

It is an arithmetic number, because the mean of its divisors is an integer number (330008343735).

Almost surely, 2^{1320023322029} is an apocalyptic number.

It is an amenable number.

1320023322029 is a deficient number, since it is larger than the sum of its proper divisors (10052911).

1320023322029 is an equidigital number, since it uses as much as digits as its factorization.

1320023322029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10052910.

The product of its (nonzero) digits is 7776, while the sum is 29.

The spelling of 1320023322029 in words is "one trillion, three hundred twenty billion, twenty-three million, three hundred twenty-two thousand, twenty-nine".