20066417715229 has 2 divisors, whose sum is σ = 20066417715230. Its totient is φ = 20066417715228.

The previous prime is 20066417715217. The next prime is 20066417715247. The reversal of 20066417715229 is 92251771466002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19280863436004 + 785554279225 = 4390998^2 + 886315^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20066417715229 is a prime.

It is a super-2 number, since 2×20066417715229² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20066417715829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10033208857614 + 10033208857615.

It is an arithmetic number, because the mean of its divisors is an integer number (10033208857615).

Almost surely, 2^{20066417715229} is an apocalyptic number.

It is an amenable number.

20066417715229 is a deficient number, since it is larger than the sum of its proper divisors (1).

20066417715229 is an equidigital number, since it uses as much as digits as its factorization.

20066417715229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2540160, while the sum is 52.

The spelling of 20066417715229 in words is "twenty trillion, sixty-six billion, four hundred seventeen million, seven hundred fifteen thousand, two hundred twenty-nine".