2120375806 has 4 divisors (see below), whose sum is σ = 3180563712. Its totient is φ = 1060187902.

The previous prime is 2120375767. The next prime is 2120375821. The reversal of 2120375806 is 6085730212.

It is a happy number.

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 polite number, since it can be written as a sum of consecutive naturals, namely, 530093950 + ... + 530093953.

It is an arithmetic number, because the mean of its divisors is an integer number (795140928).

Almost surely, 2^2120375806 is an apocalyptic number.

2120375806 is a deficient number, since it is larger than the sum of its proper divisors (1060187906).

2120375806 is a wasteful number, since it uses less digits than its factorization.

2120375806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1060187905.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 2120375806 is about 46047.5385444217. The cubic root of 2120375806 is about 1284.7075608196.

The spelling of 2120375806 in words is "two billion, one hundred twenty million, three hundred seventy-five thousand, eight hundred six".