20113020202321 has 16 divisors (see below), whose sum is σ = 20525595742080. Its totient is φ = 19703250564480.

The previous prime is 20113020202307. The next prime is 20113020202409. The reversal of 20113020202321 is 12320202031102.

It is a cyclic number.

It is not a de Polignac number, because 20113020202321 - 2⁹ = 20113020201809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20113020205321) 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 15 ways as a sum of consecutive naturals, for example, 17585740 + ... + 18694498.

It is an arithmetic number, because the mean of its divisors is an integer number (1282849733880).

Almost surely, 2^{20113020202321} is an apocalyptic number.

It is an amenable number.

20113020202321 is a deficient number, since it is larger than the sum of its proper divisors (412575539759).

20113020202321 is a wasteful number, since it uses less digits than its factorization.

20113020202321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110024.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 20113020202321 its reverse (12320202031102), we get a palindrome (32433222233423).

The spelling of 20113020202321 in words is "twenty trillion, one hundred thirteen billion, twenty million, two hundred two thousand, three hundred twenty-one".