1002203110320 has 40 divisors (see below), whose sum is σ = 3106829642736. Its totient is φ = 267254162688.

The previous prime is 1002203110319. The next prime is 1002203110357. The reversal of 1002203110320 is 230113022001.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×1002203110320² (a number of 25 digits) contains 22 as substring.

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 1002203110320.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2087922907 + ... + 2087923386.

Almost surely, 2^{1002203110320} is an apocalyptic number.

1002203110320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1002203110320 is an abundant number, since it is smaller than the sum of its proper divisors (2104626532416).

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

1002203110320 is a wasteful number, since it uses less digits than its factorization.

1002203110320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4175846309 (or 4175846303 counting only the distinct ones).

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

Adding to 1002203110320 its reverse (230113022001), we get a palindrome (1232316132321).

The spelling of 1002203110320 in words is "one trillion, two billion, two hundred three million, one hundred ten thousand, three hundred twenty".