2101320032 has 24 divisors (see below), whose sum is σ = 4727970576. Its totient is φ = 900565632.

The previous prime is 2101320017. The next prime is 2101320079. The reversal of 2101320032 is 2300231012.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 2101319989 and 2101320016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4690223 + ... + 4690670.

It is an arithmetic number, because the mean of its divisors is an integer number (196998774).

Almost surely, 2^2101320032 is an apocalyptic number.

It is an amenable number.

2101320032 is an abundant number, since it is smaller than the sum of its proper divisors (2626650544).

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

2101320032 is an equidigital number, since it uses as much as digits as its factorization.

2101320032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9380910 (or 9380902 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 2101320032 is about 45840.1574168327. The cubic root of 2101320032 is about 1280.8474271163.

Adding to 2101320032 its reverse (2300231012), we get a palindrome (4401551044).

The spelling of 2101320032 in words is "two billion, one hundred one million, three hundred twenty thousand, thirty-two".