20303032200013 has 4 divisors (see below), whose sum is σ = 20305164656988. Its totient is φ = 20300899743040.

The previous prime is 20303032199941. The next prime is 20303032200041. The reversal of 20303032200013 is 31000223030302.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12894548446404 + 7408483753609 = 3590898^2 + 2721853^2 .

It is a cyclic number.

It is not a de Polignac number, because 20303032200013 - 2¹³ = 20303032191821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20303032200053) 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 3 ways as a sum of consecutive naturals, for example, 1066214206 + ... + 1066233247.

It is an arithmetic number, because the mean of its divisors is an integer number (5076291164247).

Almost surely, 2^{20303032200013} is an apocalyptic number.

It is an amenable number.

20303032200013 is a deficient number, since it is larger than the sum of its proper divisors (2132456975).

20303032200013 is an equidigital number, since it uses as much as digits as its factorization.

20303032200013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2132456974.

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 20303032200013 its reverse (31000223030302), we get a palindrome (51303255230315).

The spelling of 20303032200013 in words is "twenty trillion, three hundred three billion, thirty-two million, two hundred thousand, thirteen".