20041445503 has 16 divisors (see below), whose sum is σ = 21781820160. Its totient is φ = 18369437056.

The previous prime is 20041445491. The next prime is 20041445513. The reversal of 20041445503 is 30554414002.

It is a cyclic number.

It is not a de Polignac number, because 20041445503 - 2⁹ = 20041444991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20041445513) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13950 + ... + 200692.

It is an arithmetic number, because the mean of its divisors is an integer number (1361363760).

Almost surely, 2^20041445503 is an apocalyptic number.

20041445503 is a deficient number, since it is larger than the sum of its proper divisors (1740374657).

20041445503 is a wasteful number, since it uses less digits than its factorization.

20041445503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186926.

The product of its (nonzero) digits is 9600, while the sum is 28.

Adding to 20041445503 its reverse (30554414002), we get a palindrome (50595859505).

The spelling of 20041445503 in words is "twenty billion, forty-one million, four hundred forty-five thousand, five hundred three".