20170368329 has 2 divisors, whose sum is σ = 20170368330. Its totient is φ = 20170368328.

The previous prime is 20170368313. The next prime is 20170368373. The reversal of 20170368329 is 92386307102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18606324025 + 1564044304 = 136405^2 + 39548^2 .

It is a cyclic number.

It is not a de Polignac number, because 20170368329 - 2⁴ = 20170368313 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (20170364329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10085184164 + 10085184165.

It is an arithmetic number, because the mean of its divisors is an integer number (10085184165).

Almost surely, 2^20170368329 is an apocalyptic number.

It is an amenable number.

20170368329 is a deficient number, since it is larger than the sum of its proper divisors (1).

20170368329 is an equidigital number, since it uses as much as digits as its factorization.

20170368329 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 41.

The spelling of 20170368329 in words is "twenty billion, one hundred seventy million, three hundred sixty-eight thousand, three hundred twenty-nine".