33320220321 has 8 divisors (see below), whose sum is σ = 44427815584. Its totient is φ = 22213052640.

The previous prime is 33320220301. The next prime is 33320220377. The reversal of 33320220321 is 12302202333.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 33320220321 - 2¹⁰ = 33320219297 is a prime.

It is a super-2 number, since 2×33320220321² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33320220301) 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, 204666 + ... + 329436.

It is an arithmetic number, because the mean of its divisors is an integer number (5553476948).

Almost surely, 2^33320220321 is an apocalyptic number.

It is an amenable number.

33320220321 is a deficient number, since it is larger than the sum of its proper divisors (11107595263).

33320220321 is a wasteful number, since it uses less digits than its factorization.

33320220321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213791.

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 33320220321 its reverse (12302202333), we get a palindrome (45622422654).

The spelling of 33320220321 in words is "thirty-three billion, three hundred twenty million, two hundred twenty thousand, three hundred twenty-one".