20321032013203 has 2 divisors, whose sum is σ = 20321032013204. Its totient is φ = 20321032013202.

The previous prime is 20321032013201. The next prime is 20321032013209. The reversal of 20321032013203 is 30231023012302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20321032013203 - 2¹ = 20321032013201 is a prime.

Together with 20321032013201, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (20321032013201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10160516006601 + 10160516006602.

It is an arithmetic number, because the mean of its divisors is an integer number (10160516006602).

Almost surely, 2^{20321032013203} is an apocalyptic number.

20321032013203 is a deficient number, since it is larger than the sum of its proper divisors (1).

20321032013203 is an equidigital number, since it uses as much as digits as its factorization.

20321032013203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 20321032013203 its reverse (30231023012302), we get a palindrome (50552055025505).

Subtracting 20321032013203 from its reverse (30231023012302), we obtain a palindrome (9909990999099).

The spelling of 20321032013203 in words is "twenty trillion, three hundred twenty-one billion, thirty-two million, thirteen thousand, two hundred three".