20331332103 has 16 divisors (see below), whose sum is σ = 28306160640. Its totient is φ = 12956157984.

The previous prime is 20331332089. The next prime is 20331332143. The reversal of 20331332103 is 30123313302.

It is not a de Polignac number, because 20331332103 - 2²⁵ = 20297777671 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20331332103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20331332143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4338 + ... + 201696.

It is an arithmetic number, because the mean of its divisors is an integer number (1769135040).

Almost surely, 2^20331332103 is an apocalyptic number.

20331332103 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

20331332103 is a deficient number, since it is larger than the sum of its proper divisors (7974828537).

20331332103 is a wasteful number, since it uses less digits than its factorization.

20331332103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198878.

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 20331332103 its reverse (30123313302), we get a palindrome (50454645405).

The spelling of 20331332103 in words is "twenty billion, three hundred thirty-one million, three hundred thirty-two thousand, one hundred three".