2120768662 has 4 divisors (see below), whose sum is σ = 3181152996. Its totient is φ = 1060384330.

The previous prime is 2120768653. The next prime is 2120768669. The reversal of 2120768662 is 2668670212.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120768669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 530192164 + ... + 530192167.

It is an arithmetic number, because the mean of its divisors is an integer number (795288249).

Almost surely, 2^2120768662 is an apocalyptic number.

2120768662 is a deficient number, since it is larger than the sum of its proper divisors (1060384334).

2120768662 is a wasteful number, since it uses less digits than its factorization.

2120768662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1060384333.

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 2120768662 is about 46051.8041123255. The cubic root of 2120768662 is about 1284.7868979989.

The spelling of 2120768662 in words is "two billion, one hundred twenty million, seven hundred sixty-eight thousand, six hundred sixty-two".