320210421100 has 72 divisors (see below), whose sum is σ = 705206113920. Its totient is φ = 126186846720.

The previous prime is 320210421079. The next prime is 320210421151. The reversal of 320210421100 is 1124012023.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2400357 + ... + 2530243.

It is an arithmetic number, because the mean of its divisors is an integer number (9794529360).

Almost surely, 2^320210421100 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 320210421100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (352603056960).

320210421100 is an abundant number, since it is smaller than the sum of its proper divisors (384995692820).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

320210421100 is a wasteful number, since it uses less digits than its factorization.

320210421100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130267 (or 130260 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 320210421100 its reverse (1124012023), we get a palindrome (321334433123).

The spelling of 320210421100 in words is "three hundred twenty billion, two hundred ten million, four hundred twenty-one thousand, one hundred".