20341330253 has 2 divisors, whose sum is σ = 20341330254. Its totient is φ = 20341330252.

The previous prime is 20341330223. The next prime is 20341330259. The reversal of 20341330253 is 35203314302.

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., 17721733129 + 2619597124 = 133123^2 + 51182^2 .

It is a cyclic number.

It is not a de Polignac number, because 20341330253 - 2⁸ = 20341329997 is a prime.

It is a super-2 number, since 2×20341330253² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20341330259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10170665126 + 10170665127.

It is an arithmetic number, because the mean of its divisors is an integer number (10170665127).

Almost surely, 2^20341330253 is an apocalyptic number.

It is an amenable number.

20341330253 is a deficient number, since it is larger than the sum of its proper divisors (1).

20341330253 is an equidigital number, since it uses as much as digits as its factorization.

20341330253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 26.

Adding to 20341330253 its reverse (35203314302), we get a palindrome (55544644555).

The spelling of 20341330253 in words is "twenty billion, three hundred forty-one million, three hundred thirty thousand, two hundred fifty-three".