20061501017 has 2 divisors, whose sum is σ = 20061501018. Its totient is φ = 20061501016.

The previous prime is 20061501007. The next prime is 20061501113. The reversal of 20061501017 is 71010516002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14723152921 + 5338348096 = 121339^2 + 73064^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20061501017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20061500983 and 20061501001.

It is not a weakly prime, because it can be changed into another prime (20061501007) 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, 10030750508 + 10030750509.

It is an arithmetic number, because the mean of its divisors is an integer number (10030750509).

Almost surely, 2^20061501017 is an apocalyptic number.

It is an amenable number.

20061501017 is a deficient number, since it is larger than the sum of its proper divisors (1).

20061501017 is an equidigital number, since it uses as much as digits as its factorization.

20061501017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 420, while the sum is 23.

The spelling of 20061501017 in words is "twenty billion, sixty-one million, five hundred one thousand, seventeen".