1001320203330 has 192 divisors, whose sum is σ = 2683901001600. Its totient is φ = 258914672640.

The previous prime is 1001320203313. The next prime is 1001320203343. The reversal of 1001320203330 is 333020231001.

1001320203330 is a `hidden beast` number, since 1 + 0 + 0 + 132 + 0 + 203 + 330 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

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 95 ways as a sum of consecutive naturals, for example, 115875810 + ... + 115884450.

It is an arithmetic number, because the mean of its divisors is an integer number (13978651050).

Almost surely, 2^{1001320203330} is an apocalyptic number.

1001320203330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1001320203330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1341950500800).

1001320203330 is an abundant number, since it is smaller than the sum of its proper divisors (1682580798270).

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

1001320203330 is a wasteful number, since it uses less digits than its factorization.

1001320203330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9009 (or 9006 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 1001320203330 its reverse (333020231001), we get a palindrome (1334340434331).

The spelling of 1001320203330 in words is "one trillion, one billion, three hundred twenty million, two hundred three thousand, three hundred thirty".