20100303253 has 2 divisors, whose sum is σ = 20100303254. Its totient is φ = 20100303252.

The previous prime is 20100303239. The next prime is 20100303287. The reversal of 20100303253 is 35230300102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19490114449 + 610188804 = 139607^2 + 24702^2 .

It is a cyclic number.

It is not a de Polignac number, because 20100303253 - 2⁹ = 20100302741 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20100303253.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20100303953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10050151626 + 10050151627.

It is an arithmetic number, because the mean of its divisors is an integer number (10050151627).

Almost surely, 2^20100303253 is an apocalyptic number.

It is an amenable number.

20100303253 is a deficient number, since it is larger than the sum of its proper divisors (1).

20100303253 is an equidigital number, since it uses as much as digits as its factorization.

20100303253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 540, while the sum is 19.

Adding to 20100303253 its reverse (35230300102), we get a palindrome (55330603355).

The spelling of 20100303253 in words is "twenty billion, one hundred million, three hundred three thousand, two hundred fifty-three".