2127020806 has 16 divisors (see below), whose sum is σ = 3232756800. Its totient is φ = 1049450688.

The previous prime is 2127020803. The next prime is 2127020839. The reversal of 2127020806 is 6080207212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2127020801) 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 in 7 ways as a sum of consecutive naturals, for example, 428716 + ... + 433648.

It is an arithmetic number, because the mean of its divisors is an integer number (202047300).

Almost surely, 2^2127020806 is an apocalyptic number.

2127020806 is a deficient number, since it is larger than the sum of its proper divisors (1105735994).

2127020806 is a wasteful number, since it uses less digits than its factorization.

2127020806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7743.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 2127020806 is about 46119.6357964804. The cubic root of 2127020806 is about 1286.0482004303.

The spelling of 2127020806 in words is "two billion, one hundred twenty-seven million, twenty thousand, eight hundred six".