20013202021003 has 8 divisors (see below), whose sum is σ = 20554966038960. Its totient is φ = 19471483617120.

The previous prime is 20013202020991. The next prime is 20013202021027. The reversal of 20013202021003 is 30012020231002.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20013202021003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20013202021063) 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, 10513213 + ... + 12270046.

It is an arithmetic number, because the mean of its divisors is an integer number (2569370754870).

Almost surely, 2^{20013202021003} is an apocalyptic number.

20013202021003 is a deficient number, since it is larger than the sum of its proper divisors (541764017957).

20013202021003 is a wasteful number, since it uses less digits than its factorization.

20013202021003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22807037.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 20013202021003 its reverse (30012020231002), we get a palindrome (50025222252005).

The spelling of 20013202021003 in words is "twenty trillion, thirteen billion, two hundred two million, twenty-one thousand, three".