20107617347 has 2 divisors, whose sum is σ = 20107617348. Its totient is φ = 20107617346.

The previous prime is 20107617247. The next prime is 20107617353. The reversal of 20107617347 is 74371670102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20107617347 - 2⁸ = 20107617091 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20107617347.

It is not a weakly prime, because it can be changed into another prime (20107617247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10053808673 + 10053808674.

It is an arithmetic number, because the mean of its divisors is an integer number (10053808674).

Almost surely, 2^20107617347 is an apocalyptic number.

20107617347 is a deficient number, since it is larger than the sum of its proper divisors (1).

20107617347 is an equidigital number, since it uses as much as digits as its factorization.

20107617347 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 49392, while the sum is 38.

The spelling of 20107617347 in words is "twenty billion, one hundred seven million, six hundred seventeen thousand, three hundred forty-seven".