20044411503 has 4 divisors (see below), whose sum is σ = 26725882008. Its totient is φ = 13362941000.

The previous prime is 20044411451. The next prime is 20044411547. The reversal of 20044411503 is 30511444002.

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

It is a cyclic number.

It is not a de Polignac number, because 20044411503 - 2¹² = 20044407407 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20044411003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3340735248 + ... + 3340735253.

It is an arithmetic number, because the mean of its divisors is an integer number (6681470502).

Almost surely, 2^20044411503 is an apocalyptic number.

20044411503 is a deficient number, since it is larger than the sum of its proper divisors (6681470505).

20044411503 is an equidigital number, since it uses as much as digits as its factorization.

20044411503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6681470504.

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 20044411503 its reverse (30511444002), we get a palindrome (50555855505).

The spelling of 20044411503 in words is "twenty billion, forty-four million, four hundred eleven thousand, five hundred three".