2120032680 has 64 divisors (see below), whose sum is σ = 6371144640. Its totient is φ = 564360192.

The previous prime is 2120032661. The next prime is 2120032687. The reversal of 2120032680 is 862300212.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 2120032680.

It is not an unprimeable number, because it can be changed into a prime (2120032687) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55392 + ... + 85488.

It is an arithmetic number, because the mean of its divisors is an integer number (99549135).

Almost surely, 2^2120032680 is an apocalyptic number.

2120032680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2120032680 is an abundant number, since it is smaller than the sum of its proper divisors (4251111960).

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

2120032680 is a wasteful number, since it uses less digits than its factorization.

2120032680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30698 (or 30694 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 2120032680 is about 46043.8126136401. The cubic root of 2120032680 is about 1284.6382585846.

Adding to 2120032680 its reverse (862300212), we get a palindrome (2982332892).

The spelling of 2120032680 in words is "two billion, one hundred twenty million, thirty-two thousand, six hundred eighty".