1002320202 has 64 divisors (see below), whose sum is σ = 2205221760. Its totient is φ = 301830144.

The previous prime is 1002320191. The next prime is 1002320203. The reversal of 1002320202 is 2020232001.

It is not an unprimeable number, because it can be changed into a prime (1002320203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1624198 + ... + 1624814.

It is an arithmetic number, because the mean of its divisors is an integer number (34456590).

Almost surely, 2^1002320202 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1002320202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1102610880).

1002320202 is an abundant number, since it is smaller than the sum of its proper divisors (1202901558).

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

1002320202 is a wasteful number, since it uses less digits than its factorization.

1002320202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1047.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 1002320202 is about 31659.4409615836. The cubic root of 1002320202 is about 1000.7728032879.

Adding to 1002320202 its reverse (2020232001), we get a palindrome (3022552203).

The spelling of 1002320202 in words is "one billion, two million, three hundred twenty thousand, two hundred two".