20341130657 has 2 divisors, whose sum is σ = 20341130658. Its totient is φ = 20341130656.

The previous prime is 20341130651. The next prime is 20341130659. The reversal of 20341130657 is 75603114302.

20341130657 is nontrivially palindromic in base 9.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14883024016 + 5458106641 = 121996^2 + 73879^2 .

It is a cyclic number.

It is not a de Polignac number, because 20341130657 - 2²² = 20336936353 is a prime.

Together with 20341130659, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (20341130651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10170565328 + 10170565329.

It is an arithmetic number, because the mean of its divisors is an integer number (10170565329).

Almost surely, 2^20341130657 is an apocalyptic number.

It is an amenable number.

20341130657 is a deficient number, since it is larger than the sum of its proper divisors (1).

20341130657 is an equidigital number, since it uses as much as digits as its factorization.

20341130657 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 32.

Adding to 20341130657 its reverse (75603114302), we get a palindrome (95944244959).

The spelling of 20341130657 in words is "twenty billion, three hundred forty-one million, one hundred thirty thousand, six hundred fifty-seven".