20033213353 has 2 divisors, whose sum is σ = 20033213354. Its totient is φ = 20033213352.

The previous prime is 20033213273. The next prime is 20033213399. The reversal of 20033213353 is 35331233002.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15879024144 + 4154189209 = 126012^2 + 64453^2 .

It is a cyclic number.

It is not a de Polignac number, because 20033213353 - 2³³ = 11443278761 is a prime.

It is not a weakly prime, because it can be changed into another prime (20033213153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10016606676 + 10016606677.

It is an arithmetic number, because the mean of its divisors is an integer number (10016606677).

Almost surely, 2^20033213353 is an apocalyptic number.

It is an amenable number.

20033213353 is a deficient number, since it is larger than the sum of its proper divisors (1).

20033213353 is an equidigital number, since it uses as much as digits as its factorization.

20033213353 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4860, while the sum is 25.

Adding to 20033213353 its reverse (35331233002), we get a palindrome (55364446355).

The spelling of 20033213353 in words is "twenty billion, thirty-three million, two hundred thirteen thousand, three hundred fifty-three".