2020440005 has 8 divisors (see below), whose sum is σ = 2508132600. Its totient is φ = 1560615616.

The previous prime is 2020440001. The next prime is 2020440013. The reversal of 2020440005 is 5000440202.

It can be written as a sum of positive squares in 4 ways, for example, as 27888961 + 1992551044 = 5281^2 + 44638^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2020440005 - 2² = 2020440001 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020440001) 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 7 ways as a sum of consecutive naturals, for example, 6966890 + ... + 6967179.

It is an arithmetic number, because the mean of its divisors is an integer number (313516575).

Almost surely, 2^2020440005 is an apocalyptic number.

It is an amenable number.

2020440005 is a deficient number, since it is larger than the sum of its proper divisors (487692595).

2020440005 is a wasteful number, since it uses less digits than its factorization.

2020440005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13934103.

The product of its (nonzero) digits is 320, while the sum is 17.

The square root of 2020440005 is about 44949.3048333342. The cubic root of 2020440005 is about 1264.1986425795.

Adding to 2020440005 its reverse (5000440202), we get a palindrome (7020880207).

The spelling of 2020440005 in words is "two billion, twenty million, four hundred forty thousand, five".