20076005 has 4 divisors (see below), whose sum is σ = 24091212. Its totient is φ = 16060800.

The previous prime is 20075999. The next prime is 20076013. The reversal of 20076005 is 50067002.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3290596 + 16785409 = 1814^2 + 4097^2 .

It is not a de Polignac number, because 20076005 - 2⁸ = 20075749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2007596 + ... + 2007605.

It is an arithmetic number, because the mean of its divisors is an integer number (6022803).

Almost surely, 2^20076005 is an apocalyptic number.

It is an amenable number.

20076005 is a deficient number, since it is larger than the sum of its proper divisors (4015207).

20076005 is an equidigital number, since it uses as much as digits as its factorization.

20076005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4015206.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 20076005 is about 4480.6255143674. The cubic root of 20076005 is about 271.7851758578.

The spelling of 20076005 in words is "twenty million, seventy-six thousand, five".