320021122033 has 4 divisors (see below), whose sum is σ = 320023407348. Its totient is φ = 320018836720.

The previous prime is 320021121997. The next prime is 320021122117. The reversal of 320021122033 is 330221120023.

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 69412752369 + 250608369664 = 263463^2 + 500608^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-320021122033 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 320021122033.

It is not an unprimeable number, because it can be changed into a prime (320021222033) 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, 917866 + ... + 1217587.

It is an arithmetic number, because the mean of its divisors is an integer number (80005851837).

Almost surely, 2^320021122033 is an apocalyptic number.

It is an amenable number.

320021122033 is a deficient number, since it is larger than the sum of its proper divisors (2285315).

320021122033 is a wasteful number, since it uses less digits than its factorization.

320021122033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2285314.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 320021122033 its reverse (330221120023), we get a palindrome (650242242056).

The spelling of 320021122033 in words is "three hundred twenty billion, twenty-one million, one hundred twenty-two thousand, thirty-three".