20332263503 has 4 divisors (see below), whose sum is σ = 20478538920. Its totient is φ = 20185988088.

The previous prime is 20332263493. The next prime is 20332263529. The reversal of 20332263503 is 30536223302.

It is a happy number.

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 20332263503 - 2⁴ = 20332263487 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 (20332263593) 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, 73137500 + ... + 73137777.

It is an arithmetic number, because the mean of its divisors is an integer number (5119634730).

Almost surely, 2^20332263503 is an apocalyptic number.

20332263503 is a deficient number, since it is larger than the sum of its proper divisors (146275417).

20332263503 is a wasteful number, since it uses less digits than its factorization.

20332263503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146275416.

The product of its (nonzero) digits is 19440, while the sum is 29.

Adding to 20332263503 its reverse (30536223302), we get a palindrome (50868486805).

The spelling of 20332263503 in words is "twenty billion, three hundred thirty-two million, two hundred sixty-three thousand, five hundred three".