1002303311220 has 48 divisors (see below), whose sum is σ = 3118276969920. Its totient is φ = 267280882848.

The previous prime is 1002303311179. The next prime is 1002303311231. The reversal of 1002303311220 is 221133032001.

1002303311220 is a `hidden beast` number, since 100 + 2 + 30 + 3 + 311 + 220 = 666.

It is a super-2 number, since 2×1002303311220² (a number of 25 digits) contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 1002303311193 and 1002303311202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 928058082 + ... + 928059161.

It is an arithmetic number, because the mean of its divisors is an integer number (64964103540).

Almost surely, 2^{1002303311220} is an apocalyptic number.

1002303311220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1002303311220 is an abundant number, since it is smaller than the sum of its proper divisors (2115973658700).

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

1002303311220 is a wasteful number, since it uses less digits than its factorization.

1002303311220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1856117261 (or 1856117253 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 1002303311220 its reverse (221133032001), we get a palindrome (1223436343221).

The spelling of 1002303311220 in words is "one trillion, two billion, three hundred three million, three hundred eleven thousand, two hundred twenty".