20003202320013 has 18 divisors (see below), whose sum is σ = 31758986972622. Its totient is φ = 12123152920560.

The previous prime is 20003202319951. The next prime is 20003202320027. The reversal of 20003202320013 is 31002320230002.

It is a happy number.

20003202320013 is a `hidden beast` number, since 20 + 0 + 0 + 320 + 2 + 320 + 0 + 1 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 18827250765444 + 1175951554569 = 4339038^2 + 1084413^2 .

It is not a de Polignac number, because 20003202320013 - 2¹⁷ = 20003202188941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20003202340013) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 9184205670 + ... + 9184207847.

Almost surely, 2^{20003202320013} is an apocalyptic number.

It is an amenable number.

20003202320013 is a deficient number, since it is larger than the sum of its proper divisors (11755784652609).

20003202320013 is a wasteful number, since it uses less digits than its factorization.

20003202320013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18368413545 (or 18368413531 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 20003202320013 its reverse (31002320230002), we get a palindrome (51005522550015).

The spelling of 20003202320013 in words is "twenty trillion, three billion, two hundred two million, three hundred twenty thousand, thirteen".