20341521341 has 2 divisors, whose sum is σ = 20341521342. Its totient is φ = 20341521340.

The previous prime is 20341521271. The next prime is 20341521367. The reversal of 20341521341 is 14312514302.

It is a happy number.

It is an a-pointer prime, because the next prime (20341521367) can be obtained adding 20341521341 to its sum of digits (26).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14093251225 + 6248270116 = 118715^2 + 79046^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20341521341 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20341521341.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20341521041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10170760670 + 10170760671.

It is an arithmetic number, because the mean of its divisors is an integer number (10170760671).

Almost surely, 2^20341521341 is an apocalyptic number.

It is an amenable number.

20341521341 is a deficient number, since it is larger than the sum of its proper divisors (1).

20341521341 is an equidigital number, since it uses as much as digits as its factorization.

20341521341 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 26.

The spelling of 20341521341 in words is "twenty billion, three hundred forty-one million, five hundred twenty-one thousand, three hundred forty-one".