20030335253 has 2 divisors, whose sum is σ = 20030335254. Its totient is φ = 20030335252.

The previous prime is 20030335229. The next prime is 20030335271. The reversal of 20030335253 is 35253303002.

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., 13037529124 + 6992806129 = 114182^2 + 83623^2 .

It is a cyclic number.

It is not a de Polignac number, because 20030335253 - 2¹⁸ = 20030073109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20030334253) 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, 10015167626 + 10015167627.

It is an arithmetic number, because the mean of its divisors is an integer number (10015167627).

Almost surely, 2^20030335253 is an apocalyptic number.

It is an amenable number.

20030335253 is a deficient number, since it is larger than the sum of its proper divisors (1).

20030335253 is an equidigital number, since it uses as much as digits as its factorization.

20030335253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8100, while the sum is 26.

Adding to 20030335253 its reverse (35253303002), we get a palindrome (55283638255).

The spelling of 20030335253 in words is "twenty billion, thirty million, three hundred thirty-five thousand, two hundred fifty-three".