20004541503 has 8 divisors (see below), whose sum is σ = 26690380416. Its totient is φ = 13327531800.

The previous prime is 20004541489. The next prime is 20004541507. The reversal of 20004541503 is 30514540002.

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

It is not a de Polignac number, because 20004541503 - 2⁸ = 20004541247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20004541507) by changing a digit.

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, 2202013 + ... + 2211078.

It is an arithmetic number, because the mean of its divisors is an integer number (3336297552).

Almost surely, 2^20004541503 is an apocalyptic number.

20004541503 is a deficient number, since it is larger than the sum of its proper divisors (6685838913).

20004541503 is a wasteful number, since it uses less digits than its factorization.

20004541503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4414605.

The product of its (nonzero) digits is 2400, while the sum is 24.

The spelling of 20004541503 in words is "twenty billion, four million, five hundred forty-one thousand, five hundred three".