1002332320220 has 48 divisors (see below), whose sum is σ = 2624288260608. Its totient is φ = 312415268160.

The previous prime is 1002332320177. The next prime is 1002332320229. The reversal of 1002332320220 is 220232332001.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1002332320192 and 1002332320201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002332320229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 325431032 + ... + 325434111.

It is an arithmetic number, because the mean of its divisors is an integer number (54672672096).

Almost surely, 2^{1002332320220} is an apocalyptic number.

1002332320220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1002332320220 is an abundant number, since it is smaller than the sum of its proper divisors (1621955940388).

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

1002332320220 is a wasteful number, since it uses less digits than its factorization.

1002332320220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650865170 (or 650865168 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 1002332320220 its reverse (220232332001), we get a palindrome (1222564652221).

The spelling of 1002332320220 in words is "one trillion, two billion, three hundred thirty-two million, three hundred twenty thousand, two hundred twenty".