20041010503 has 6 divisors (see below), whose sum is σ = 20195180432. Its totient is φ = 19888008660.

The previous prime is 20041010471. The next prime is 20041010519. The reversal of 20041010503 is 30501014002.

It is not a de Polignac number, because 20041010503 - 2⁵ = 20041010471 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 (20041016503) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 566751 + ... + 601072.

Almost surely, 2^20041010503 is an apocalyptic number.

20041010503 is a deficient number, since it is larger than the sum of its proper divisors (154169929).

20041010503 is an equidigital number, since it uses as much as digits as its factorization.

20041010503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1168085 (or 1167954 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

Adding to 20041010503 its reverse (30501014002), we get a palindrome (50542024505).

The spelling of 20041010503 in words is "twenty billion, forty-one million, ten thousand, five hundred three".