2120320332 has 144 divisors (see below), whose sum is σ = 5966539488. Its totient is φ = 630789120.

The previous prime is 2120320331. The next prime is 2120320373. The reversal of 2120320332 is 2330230212.

It is a happy number.

2120320332 is a `hidden beast` number, since 2 + 12 + 0 + 320 + 332 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (2120320331) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1810107 + ... + 1811277.

It is an arithmetic number, because the mean of its divisors is an integer number (41434302).

Almost surely, 2^2120320332 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 2120320332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2983269744).

2120320332 is an abundant number, since it is smaller than the sum of its proper divisors (3846219156).

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

2120320332 is a wasteful number, since it uses less digits than its factorization.

2120320332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1320 (or 1315 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 2120320332 is about 46046.9361847235. The cubic root of 2120320332 is about 1284.6963570684.

Adding to 2120320332 its reverse (2330230212), we get a palindrome (4450550544).

The spelling of 2120320332 in words is "two billion, one hundred twenty million, three hundred twenty thousand, three hundred thirty-two".