2105067770 has 32 divisors (see below), whose sum is σ = 4101148800. Its totient is φ = 773340480.

The previous prime is 2105067763. The next prime is 2105067793. The reversal of 2105067770 is 777605012.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2105067770.

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 15 ways as a sum of consecutive naturals, for example, 14816 + ... + 66555.

It is an arithmetic number, because the mean of its divisors is an integer number (128160900).

Almost surely, 2^2105067770 is an apocalyptic number.

2105067770 is a deficient number, since it is larger than the sum of its proper divisors (1996081030).

2105067770 is a wasteful number, since it uses less digits than its factorization.

2105067770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81590.

The product of its (nonzero) digits is 20580, while the sum is 35.

The square root of 2105067770 is about 45881.0175344881. The cubic root of 2105067770 is about 1281.6084455132.

The spelling of 2105067770 in words is "two billion, one hundred five million, sixty-seven thousand, seven hundred seventy".