20013203333 has 2 divisors, whose sum is σ = 20013203334. Its totient is φ = 20013203332.

The previous prime is 20013203321. The next prime is 20013203341. The reversal of 20013203333 is 33330231002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13373072164 + 6640131169 = 115642^2 + 81487^2 .

It is a cyclic number.

It is not a de Polignac number, because 20013203333 - 2²² = 20009009029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20013203363) 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, 10006601666 + 10006601667.

It is an arithmetic number, because the mean of its divisors is an integer number (10006601667).

Almost surely, 2^20013203333 is an apocalyptic number.

It is an amenable number.

20013203333 is a deficient number, since it is larger than the sum of its proper divisors (1).

20013203333 is an equidigital number, since it uses as much as digits as its factorization.

20013203333 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 20.

Adding to 20013203333 its reverse (33330231002), we get a palindrome (53343434335).

The spelling of 20013203333 in words is "twenty billion, thirteen million, two hundred three thousand, three hundred thirty-three".