20003002111003 has 8 divisors (see below), whose sum is σ = 20655939117440. Its totient is φ = 19350545034240.

The previous prime is 20003002110977. The next prime is 20003002111021. The reversal of 20003002111003 is 30011120030002.

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 20003002111003 - 2¹⁷ = 20003001979931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20003002111033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119897700 + ... + 120064417.

It is an arithmetic number, because the mean of its divisors is an integer number (2581992389680).

Almost surely, 2^{20003002111003} is an apocalyptic number.

20003002111003 is a deficient number, since it is larger than the sum of its proper divisors (652937006437).

20003002111003 is a wasteful number, since it uses less digits than its factorization.

20003002111003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239964837.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 20003002111003 its reverse (30011120030002), we get a palindrome (50014122141005).

The spelling of 20003002111003 in words is "twenty trillion, three billion, two million, one hundred eleven thousand, three".