2020076851 has 4 divisors (see below), whose sum is σ = 2175467392. Its totient is φ = 1864686312.

The previous prime is 2020076843. The next prime is 2020076857. The reversal of 2020076851 is 1586700202.

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

It is a cyclic number.

It is not a de Polignac number, because 2020076851 - 2³ = 2020076843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2020076857) by changing a digit.

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, 77695251 + ... + 77695276.

It is an arithmetic number, because the mean of its divisors is an integer number (543866848).

Almost surely, 2^2020076851 is an apocalyptic number.

2020076851 is a deficient number, since it is larger than the sum of its proper divisors (155390541).

2020076851 is a wasteful number, since it uses less digits than its factorization.

2020076851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155390540.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 2020076851 is about 44945.2650565107. The cubic root of 2020076851 is about 1264.1228956627.

The spelling of 2020076851 in words is "two billion, twenty million, seventy-six thousand, eight hundred fifty-one".