320002330002221 has 8 divisors (see below), whose sum is σ = 320096600805984. Its totient is φ = 319908071278800.

The previous prime is 320002330002217. The next prime is 320002330002233. The reversal of 320002330002221 is 122200033200023.

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

It is a cyclic number.

It is not a de Polignac number, because 320002330002221 - 2² = 320002330002217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 320002330002193 and 320002330002202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320002330002281) 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, 50104271 + ... + 56128803.

It is an arithmetic number, because the mean of its divisors is an integer number (40012075100748).

Almost surely, 2^{320002330002221} is an apocalyptic number.

It is an amenable number.

320002330002221 is a deficient number, since it is larger than the sum of its proper divisors (94270803763).

320002330002221 is a wasteful number, since it uses less digits than its factorization.

320002330002221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6040171.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 320002330002221 its reverse (122200033200023), we get a palindrome (442202363202244).

The spelling of 320002330002221 in words is "three hundred twenty trillion, two billion, three hundred thirty million, two thousand, two hundred twenty-one".