20012332331003 has 4 divisors (see below), whose sum is σ = 20702412756240. Its totient is φ = 19322251905768.

The previous prime is 20012332330951. The next prime is 20012332331011. The reversal of 20012332331003 is 30013323321002.

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 20012332331003 - 2¹² = 20012332326907 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20012332331003.

It is not an unprimeable number, because it can be changed into a prime (20012332331083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 345040212575 + ... + 345040212632.

It is an arithmetic number, because the mean of its divisors is an integer number (5175603189060).

Almost surely, 2^{20012332331003} is an apocalyptic number.

20012332331003 is a deficient number, since it is larger than the sum of its proper divisors (690080425237).

20012332331003 is an equidigital number, since it uses as much as digits as its factorization.

20012332331003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 690080425236.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 20012332331003 its reverse (30013323321002), we get a palindrome (50025655652005).

The spelling of 20012332331003 in words is "twenty trillion, twelve billion, three hundred thirty-two million, three hundred thirty-one thousand, three".