2120717206 has 4 divisors (see below), whose sum is σ = 3181075812. Its totient is φ = 1060358602.

The previous prime is 2120717177. The next prime is 2120717227. The reversal of 2120717206 is 6027170212.

It is a semiprime because it is the product of two primes.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 530179300 + ... + 530179303.

It is an arithmetic number, because the mean of its divisors is an integer number (795268953).

Almost surely, 2^2120717206 is an apocalyptic number.

2120717206 is a deficient number, since it is larger than the sum of its proper divisors (1060358606).

2120717206 is a wasteful number, since it uses less digits than its factorization.

2120717206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1060358605.

The product of its (nonzero) digits is 2352, while the sum is 28.

The square root of 2120717206 is about 46051.2454337556. The cubic root of 2120717206 is about 1284.7765070291.

Adding to 2120717206 its reverse (6027170212), we get a palindrome (8147887418).

The spelling of 2120717206 in words is "two billion, one hundred twenty million, seven hundred seventeen thousand, two hundred six".