20347669241 has 2 divisors, whose sum is σ = 20347669242. Its totient is φ = 20347669240.

The previous prime is 20347669229. The next prime is 20347669247. The reversal of 20347669241 is 14296674302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14213646841 + 6134022400 = 119221^2 + 78320^2 .

It is a cyclic number.

It is not a de Polignac number, because 20347669241 - 2³⁰ = 19273927417 is a prime.

It is a super-2 number, since 2×20347669241² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20347669192 and 20347669201.

It is not a weakly prime, because it can be changed into another prime (20347669247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10173834620 + 10173834621.

It is an arithmetic number, because the mean of its divisors is an integer number (10173834621).

Almost surely, 2^20347669241 is an apocalyptic number.

It is an amenable number.

20347669241 is a deficient number, since it is larger than the sum of its proper divisors (1).

20347669241 is an equidigital number, since it uses as much as digits as its factorization.

20347669241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 435456, while the sum is 44.

The spelling of 20347669241 in words is "twenty billion, three hundred forty-seven million, six hundred sixty-nine thousand, two hundred forty-one".