20320007203 has 2 divisors, whose sum is σ = 20320007204. Its totient is φ = 20320007202.

The previous prime is 20320007161. The next prime is 20320007209. The reversal of 20320007203 is 30270002302.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20320007203 - 2⁹ = 20320006691 is a prime.

It is a super-3 number, since 3×20320007203³ (a number of 32 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (20320007209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10160003601 + 10160003602.

It is an arithmetic number, because the mean of its divisors is an integer number (10160003602).

Almost surely, 2^20320007203 is an apocalyptic number.

20320007203 is a deficient number, since it is larger than the sum of its proper divisors (1).

20320007203 is an equidigital number, since it uses as much as digits as its factorization.

20320007203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 19.

Adding to 20320007203 its reverse (30270002302), we get a palindrome (50590009505).

The spelling of 20320007203 in words is "twenty billion, three hundred twenty million, seven thousand, two hundred three".