20332312303 has 4 divisors (see below), whose sum is σ = 20345594248. Its totient is φ = 20319030360.

The previous prime is 20332312289. The next prime is 20332312309. The reversal of 20332312303 is 30321323302.

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 20332312303 - 2¹⁷ = 20332181231 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 (20332312309) 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, 6638676 + ... + 6641737.

It is an arithmetic number, because the mean of its divisors is an integer number (5086398562).

Almost surely, 2^20332312303 is an apocalyptic number.

20332312303 is a deficient number, since it is larger than the sum of its proper divisors (13281945).

20332312303 is a wasteful number, since it uses less digits than its factorization.

20332312303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13281944.

The product of its (nonzero) digits is 1944, while the sum is 22.

Adding to 20332312303 its reverse (30321323302), we get a palindrome (50653635605).

The spelling of 20332312303 in words is "twenty billion, three hundred thirty-two million, three hundred twelve thousand, three hundred three".