1001202320320 has 28 divisors (see below), whose sum is σ = 2384113026024. Its totient is φ = 400480928000.

The previous prime is 1001202320311. The next prime is 1001202320389. The reversal of 1001202320320 is 230232021001.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 1001202320294 and 1001202320303.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 1564378306 + ... + 1564378945.

Almost surely, 2^{1001202320320} is an apocalyptic number.

1001202320320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1001202320320 is an abundant number, since it is smaller than the sum of its proper divisors (1382910705704).

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

1001202320320 is an equidigital number, since it uses as much as digits as its factorization.

1001202320320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3128757268 (or 3128757258 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 1001202320320 its reverse (230232021001), we get a palindrome (1231434341321).

The spelling of 1001202320320 in words is "one trillion, one billion, two hundred two million, three hundred twenty thousand, three hundred twenty".