2120055760 has 40 divisors (see below), whose sum is σ = 4934327040. Its totient is φ = 847128192.

The previous prime is 2120055713. The next prime is 2120055767. The reversal of 2120055760 is 675500212.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120055767) 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, 65161 + ... + 92119.

It is an arithmetic number, because the mean of its divisors is an integer number (123358176).

Almost surely, 2^2120055760 is an apocalyptic number.

2120055760 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2120055760 is an abundant number, since it is smaller than the sum of its proper divisors (2814271280).

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

2120055760 is a wasteful number, since it uses less digits than its factorization.

2120055760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27955 (or 27949 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 2120055760 is about 46044.0632438103. The cubic root of 2120055760 is about 1284.6429203592.

Adding to 2120055760 its reverse (675500212), we get a palindrome (2795555972).

The spelling of 2120055760 in words is "two billion, one hundred twenty million, fifty-five thousand, seven hundred sixty".