2103213320 has 32 divisors (see below), whose sum is σ = 5096248920. Its totient is φ = 776570880.

The previous prime is 2103213319. The next prime is 2103213349. The reversal of 2103213320 is 233123012.

It can be written as a sum of positive squares in 4 ways, for example, as 1161582724 + 941630596 = 34082^2 + 30686^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2021801 + ... + 2022840.

Almost surely, 2^2103213320 is an apocalyptic number.

2103213320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2103213320 is an abundant number, since it is smaller than the sum of its proper divisors (2993035600).

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

2103213320 is a wasteful number, since it uses less digits than its factorization.

2103213320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4044665 (or 4044661 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 2103213320 is about 45860.8037435019. The cubic root of 2103213320 is about 1281.2319925449.

Adding to 2103213320 its reverse (233123012), we get a palindrome (2336336332).

The spelling of 2103213320 in words is "two billion, one hundred three million, two hundred thirteen thousand, three hundred twenty".