20331212303 has 8 divisors (see below), whose sum is σ = 20410091520. Its totient is φ = 20252420280.

The previous prime is 20331212269. The next prime is 20331212311. The reversal of 20331212303 is 30321213302.

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

It is a cyclic number.

It is not a de Polignac number, because 20331212303 - 2⁸ = 20331212047 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 (20330212303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 466478 + ... + 508196.

It is an arithmetic number, because the mean of its divisors is an integer number (2551261440).

Almost surely, 2^20331212303 is an apocalyptic number.

20331212303 is a deficient number, since it is larger than the sum of its proper divisors (78879217).

20331212303 is a wasteful number, since it uses less digits than its factorization.

20331212303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43597.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 20331212303 its reverse (30321213302), we get a palindrome (50652425605).

Subtracting 20331212303 from its reverse (30321213302), we obtain a palindrome (9990000999).

The spelling of 20331212303 in words is "twenty billion, three hundred thirty-one million, two hundred twelve thousand, three hundred three".