2120780325 has 48 divisors (see below), whose sum is σ = 3566736000. Its totient is φ = 1111776000.

The previous prime is 2120780317. The next prime is 2120780357. The reversal of 2120780325 is 5230870212.

It is not a de Polignac number, because 2120780325 - 2³ = 2120780317 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2120780292 and 2120780301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1127736 + ... + 1129614.

It is an arithmetic number, because the mean of its divisors is an integer number (74307000).

Almost surely, 2^2120780325 is an apocalyptic number.

2120780325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2120780325 is a deficient number, since it is larger than the sum of its proper divisors (1445955675).

2120780325 is a wasteful number, since it uses less digits than its factorization.

2120780325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2142 (or 2137 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 2120780325 is about 46051.9307412838. The cubic root of 2120780325 is about 1284.7892531893.

The spelling of 2120780325 in words is "two billion, one hundred twenty million, seven hundred eighty thousand, three hundred twenty-five".