20014404005 has 8 divisors (see below), whose sum is σ = 24018549624. Its totient is φ = 16010680000.

The previous prime is 20014403953. The next prime is 20014404049. The reversal of 20014404005 is 50040441002.

It can be written as a sum of positive squares in 4 ways, for example, as 583995556 + 19430408449 = 24166^2 + 139393^2 .

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

It is not a de Polignac number, because 20014404005 - 2¹⁰ = 20014402981 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 (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10655 + ... + 200355.

It is an arithmetic number, because the mean of its divisors is an integer number (3002318703).

Almost surely, 2^20014404005 is an apocalyptic number.

It is an amenable number.

20014404005 is a deficient number, since it is larger than the sum of its proper divisors (4004145619).

20014404005 is a wasteful number, since it uses less digits than its factorization.

20014404005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210807.

The product of its (nonzero) digits is 640, while the sum is 20.

Adding to 20014404005 its reverse (50040441002), we get a palindrome (70054845007).

The spelling of 20014404005 in words is "twenty billion, fourteen million, four hundred four thousand, five".