2101330432 has 80 divisors (see below), whose sum is σ = 4309759872. Its totient is φ = 1023160320.

The previous prime is 2101330421. The next prime is 2101330433. The reversal of 2101330432 is 2340331012.

It is not an unprimeable number, because it can be changed into a prime (2101330433) 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, 5725513 + ... + 5725879.

Almost surely, 2^2101330432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2101330432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2154879936).

2101330432 is an abundant number, since it is smaller than the sum of its proper divisors (2208429440).

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

2101330432 is an equidigital number, since it uses as much as digits as its factorization.

2101330432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649 (or 633 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 2101330432 is about 45840.2708543481. The cubic root of 2101330432 is about 1280.8495401993.

Adding to 2101330432 its reverse (2340331012), we get a palindrome (4441661444).

The spelling of 2101330432 in words is "two billion, one hundred one million, three hundred thirty thousand, four hundred thirty-two".