2152335720 has 32 divisors (see below), whose sum is σ = 6457007520. Its totient is φ = 573956160.

The previous prime is 2152335707. The next prime is 2152335721. The reversal of 2152335720 is 275332512.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (2152335721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8967946 + ... + 8968185.

It is an arithmetic number, because the mean of its divisors is an integer number (201781485).

Almost surely, 2^2152335720 is an apocalyptic number.

2152335720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2152335720 is an abundant number, since it is smaller than the sum of its proper divisors (4304671800).

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

2152335720 is a wasteful number, since it uses less digits than its factorization.

2152335720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17936145 (or 17936141 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 30.

The square root of 2152335720 is about 46393.2723570994. The cubic root of 2152335720 is about 1291.1300955707.

The spelling of 2152335720 in words is "two billion, one hundred fifty-two million, three hundred thirty-five thousand, seven hundred twenty".