1002202321320 has 96 divisors (see below), whose sum is σ = 3257300966400. Its totient is φ = 267242184576.

The previous prime is 1002202321313. The next prime is 1002202321321. The reversal of 1002202321320 is 231232022001.

1002202321320 is a `hidden beast` number, since 1 + 0 + 0 + 2 + 20 + 2 + 321 + 320 = 666.

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 = 1002202321293 and 1002202321302.

It is not an unprimeable number, because it can be changed into a prime (1002202321321) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10790841 + ... + 10883319.

It is an arithmetic number, because the mean of its divisors is an integer number (33930218400).

Almost surely, 2^{1002202321320} is an apocalyptic number.

1002202321320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1002202321320 is an abundant number, since it is smaller than the sum of its proper divisors (2255098645080).

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

1002202321320 is a wasteful number, since it uses less digits than its factorization.

1002202321320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122599 (or 122592 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 1002202321320 its reverse (231232022001), we get a palindrome (1233434343321).

The spelling of 1002202321320 in words is "one trillion, two billion, two hundred two million, three hundred twenty-one thousand, three hundred twenty".