20000202202117 has 2 divisors, whose sum is σ = 20000202202118. Its totient is φ = 20000202202116.

The previous prime is 20000202201989. The next prime is 20000202202181. The reversal of 20000202202117 is 71120220200002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10916211152961 + 9083991049156 = 3303969^2 + 3013966^2 .

It is a cyclic number.

It is not a de Polignac number, because 20000202202117 - 2⁷ = 20000202201989 is a prime.

It is a super-2 number, since 2×20000202202117² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20000202202094 and 20000202202103.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20000202202817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10000101101058 + 10000101101059.

It is an arithmetic number, because the mean of its divisors is an integer number (10000101101059).

Almost surely, 2^{20000202202117} is an apocalyptic number.

It is an amenable number.

20000202202117 is a deficient number, since it is larger than the sum of its proper divisors (1).

20000202202117 is an equidigital number, since it uses as much as digits as its factorization.

20000202202117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 19.

Adding to 20000202202117 its reverse (71120220200002), we get a palindrome (91120422402119).

The spelling of 20000202202117 in words is "twenty trillion, two hundred two million, two hundred two thousand, one hundred seventeen".