2120840846 has 8 divisors (see below), whose sum is σ = 3181498320. Its totient is φ = 1060341408.

The previous prime is 2120840809. The next prime is 2120840957. The reversal of 2120840846 is 6480480212.

It is a sphenic number, since it is the product of 3 distinct 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 in 3 ways as a sum of consecutive naturals, for example, 3335 + ... + 65213.

It is an arithmetic number, because the mean of its divisors is an integer number (397687290).

Almost surely, 2^2120840846 is an apocalyptic number.

2120840846 is a deficient number, since it is larger than the sum of its proper divisors (1060657474).

2120840846 is a wasteful number, since it uses less digits than its factorization.

2120840846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79018.

The product of its (nonzero) digits is 24576, while the sum is 35.

The square root of 2120840846 is about 46052.5878317386. The cubic root of 2120840846 is about 1284.8014744756.

The spelling of 2120840846 in words is "two billion, one hundred twenty million, eight hundred forty thousand, eight hundred forty-six".