20044040003 has 12 divisors (see below), whose sum is σ = 21712708440. Its totient is φ = 18495187776.

The previous prime is 20044039993. The next prime is 20044040017. The reversal of 20044040003 is 30004044002.

It is not a de Polignac number, because 20044040003 - 2¹⁴ = 20044023619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20044040503) 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 11 ways as a sum of consecutive naturals, for example, 455375 + ... + 497447.

It is an arithmetic number, because the mean of its divisors is an integer number (1809392370).

Almost surely, 2^20044040003 is an apocalyptic number.

20044040003 is a deficient number, since it is larger than the sum of its proper divisors (1668668437).

20044040003 is a wasteful number, since it uses less digits than its factorization.

20044040003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44918 (or 44905 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

Adding to 20044040003 its reverse (30004044002), we get a palindrome (50048084005).

The spelling of 20044040003 in words is "twenty billion, forty-four million, forty thousand, three".