20341404253 has 2 divisors, whose sum is σ = 20341404254. Its totient is φ = 20341404252.

The previous prime is 20341404227. The next prime is 20341404289. The reversal of 20341404253 is 35240414302.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13289939524 + 7051464729 = 115282^2 + 83973^2 .

It is a cyclic number.

It is not a de Polignac number, because 20341404253 - 2⁹ = 20341403741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20341404203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10170702126 + 10170702127.

It is an arithmetic number, because the mean of its divisors is an integer number (10170702127).

Almost surely, 2^20341404253 is an apocalyptic number.

It is an amenable number.

20341404253 is a deficient number, since it is larger than the sum of its proper divisors (1).

20341404253 is an equidigital number, since it uses as much as digits as its factorization.

20341404253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 20341404253 its reverse (35240414302), we get a palindrome (55581818555).

The spelling of 20341404253 in words is "twenty billion, three hundred forty-one million, four hundred four thousand, two hundred fifty-three".