332002020221 has 4 divisors (see below), whose sum is σ = 333135133212. Its totient is φ = 330868907232.

The previous prime is 332002020191. The next prime is 332002020239. The reversal of 332002020221 is 122020200233.

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 259539302500 + 72462717721 = 509450^2 + 269189^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-332002020221 is a prime.

It is a super-2 number, since 2×332002020221² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 332002020221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (332002020121) 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, 566556056 + ... + 566556641.

It is an arithmetic number, because the mean of its divisors is an integer number (83283783303).

Almost surely, 2^332002020221 is an apocalyptic number.

It is an amenable number.

332002020221 is a deficient number, since it is larger than the sum of its proper divisors (1133112991).

332002020221 is a wasteful number, since it uses less digits than its factorization.

332002020221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1133112990.

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 332002020221 its reverse (122020200233), we get a palindrome (454022220454).

The spelling of 332002020221 in words is "three hundred thirty-two billion, two million, twenty thousand, two hundred twenty-one".