201010200320 has 72 divisors (see below), whose sum is σ = 482684181840. Its totient is φ = 80203366400.

The previous prime is 201010200299. The next prime is 201010200323. The reversal of 201010200320 is 23002010102.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201010200323) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 317471 + ... + 709089.

It is an arithmetic number, because the mean of its divisors is an integer number (6703946970).

Almost surely, 2^201010200320 is an apocalyptic number.

201010200320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201010200320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (241342090920).

201010200320 is an abundant number, since it is smaller than the sum of its proper divisors (281673981520).

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

201010200320 is an equidigital number, since it uses as much as digits as its factorization.

201010200320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392041 (or 392027 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 201010200320 its reverse (23002010102), we get a palindrome (224012210422).

The spelling of 201010200320 in words is "two hundred one billion, ten million, two hundred thousand, three hundred twenty".