20245230503 has 4 divisors (see below), whose sum is σ = 20247221088. Its totient is φ = 20243239920.

The previous prime is 20245230497. The next prime is 20245230557. The reversal of 20245230503 is 30503254202.

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 20245230503 - 2¹⁰ = 20245229479 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 (20245430503) 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, 979958 + ... + 1000403.

It is an arithmetic number, because the mean of its divisors is an integer number (5061805272).

Almost surely, 2^20245230503 is an apocalyptic number.

20245230503 is a deficient number, since it is larger than the sum of its proper divisors (1990585).

20245230503 is a wasteful number, since it uses less digits than its factorization.

20245230503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1990584.

The product of its (nonzero) digits is 7200, while the sum is 26.

Adding to 20245230503 its reverse (30503254202), we get a palindrome (50748484705).

The spelling of 20245230503 in words is "twenty billion, two hundred forty-five million, two hundred thirty thousand, five hundred three".