2120547240 has 192 divisors, whose sum is σ = 7904856960. Its totient is φ = 482941440.

The previous prime is 2120547227. The next prime is 2120547259. The reversal of 2120547240 is 427450212.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 772270 + ... + 775010.

It is an arithmetic number, because the mean of its divisors is an integer number (41171130).

Almost surely, 2^2120547240 is an apocalyptic number.

2120547240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2120547240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3952428480).

2120547240 is an abundant number, since it is smaller than the sum of its proper divisors (5784309720).

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

2120547240 is a wasteful number, since it uses less digits than its factorization.

2120547240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3072 (or 3065 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 27.

The square root of 2120547240 is about 46049.3999960912. The cubic root of 2120547240 is about 1284.7421830816.

Adding to 2120547240 its reverse (427450212), we get a palindrome (2547997452).

The spelling of 2120547240 in words is "two billion, one hundred twenty million, five hundred forty-seven thousand, two hundred forty".