202003320320 has 80 divisors (see below), whose sum is σ = 486414648720. Its totient is φ = 80454303744.

The previous prime is 202003320313. The next prime is 202003320341. The reversal of 202003320320 is 23023300202.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 427151 + ... + 765809.

It is an arithmetic number, because the mean of its divisors is an integer number (6080183109).

Almost surely, 2^202003320320 is an apocalyptic number.

202003320320 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 202003320320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (243207324360).

202003320320 is an abundant number, since it is smaller than the sum of its proper divisors (284411328400).

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

202003320320 is an equidigital number, since it uses as much as digits as its factorization.

202003320320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338915 (or 338899 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 17.

Adding to 202003320320 its reverse (23023300202), we get a palindrome (225026620522).

The spelling of 202003320320 in words is "two hundred two billion, three million, three hundred twenty thousand, three hundred twenty".