20601166367 has 2 divisors, whose sum is σ = 20601166368. Its totient is φ = 20601166366.

The previous prime is 20601166337. The next prime is 20601166429. The reversal of 20601166367 is 76366110602.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20601166367 - 2¹⁴ = 20601149983 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20601166367.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20601166307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10300583183 + 10300583184.

It is an arithmetic number, because the mean of its divisors is an integer number (10300583184).

Almost surely, 2^20601166367 is an apocalyptic number.

20601166367 is a deficient number, since it is larger than the sum of its proper divisors (1).

20601166367 is an equidigital number, since it uses as much as digits as its factorization.

20601166367 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 38.

Adding to 20601166367 its reverse (76366110602), we get a palindrome (96967276969).

The spelling of 20601166367 in words is "twenty billion, six hundred one million, one hundred sixty-six thousand, three hundred sixty-seven".