2152203340 has 96 divisors (see below), whose sum is σ = 5498841600. Its totient is φ = 691130880.

The previous prime is 2152203331. The next prime is 2152203371. The reversal of 2152203340 is 433022512.

2152203340 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 232195 + ... + 241285.

It is an arithmetic number, because the mean of its divisors is an integer number (57279600).

Almost surely, 2^2152203340 is an apocalyptic number.

2152203340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2152203340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2749420800).

2152203340 is an abundant number, since it is smaller than the sum of its proper divisors (3346638260).

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

2152203340 is a wasteful number, since it uses less digits than its factorization.

2152203340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9215 (or 9213 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 2152203340 is about 46391.8456196776. The cubic root of 2152203340 is about 1291.1036245909.

Adding to 2152203340 its reverse (433022512), we get a palindrome (2585225852).

The spelling of 2152203340 in words is "two billion, one hundred fifty-two million, two hundred three thousand, three hundred forty".