20010010004617 has 2 divisors, whose sum is σ = 20010010004618. Its totient is φ = 20010010004616.

The previous prime is 20010010004603. The next prime is 20010010004651. The reversal of 20010010004617 is 71640001001002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19786981441536 + 223028563081 = 4448256^2 + 472259^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20010010004617 is a prime.

It is a super-2 number, since 2×20010010004617² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20010010004657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10005005002308 + 10005005002309.

It is an arithmetic number, because the mean of its divisors is an integer number (10005005002309).

Almost surely, 2^{20010010004617} is an apocalyptic number.

It is an amenable number.

20010010004617 is a deficient number, since it is larger than the sum of its proper divisors (1).

20010010004617 is an equidigital number, since it uses as much as digits as its factorization.

20010010004617 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 22.

Adding to 20010010004617 its reverse (71640001001002), we get a palindrome (91650011005619).

The spelling of 20010010004617 in words is "twenty trillion, ten billion, ten million, four thousand, six hundred seventeen".