1001310320220 has 192 divisors, whose sum is σ = 3245961707520. Its totient is φ = 225889627392.

The previous prime is 1001310320201. The next prime is 1001310320237. The reversal of 1001310320220 is 220230131001.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1001310320220.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 146751729 + ... + 146758551.

It is an arithmetic number, because the mean of its divisors is an integer number (16906050560).

Almost surely, 2^{1001310320220} is an apocalyptic number.

1001310320220 is a gapful number since it is divisible by the number (10) 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 1001310320220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1622980853760).

1001310320220 is an abundant number, since it is smaller than the sum of its proper divisors (2244651387300).

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

1001310320220 is a wasteful number, since it uses less digits than its factorization.

1001310320220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11344 (or 11342 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 1001310320220 its reverse (220230131001), we get a palindrome (1221540451221).

The spelling of 1001310320220 in words is "one trillion, one billion, three hundred ten million, three hundred twenty thousand, two hundred twenty".