20004166241 has 2 divisors, whose sum is σ = 20004166242. Its totient is φ = 20004166240.

The previous prime is 20004166219. The next prime is 20004166253. The reversal of 20004166241 is 14266140002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11453280400 + 8550885841 = 107020^2 + 92471^2 .

It is a cyclic number.

It is not a de Polignac number, because 20004166241 - 2⁶ = 20004166177 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20004166241.

It is not a weakly prime, because it can be changed into another prime (20004165241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10002083120 + 10002083121.

It is an arithmetic number, because the mean of its divisors is an integer number (10002083121).

Almost surely, 2^20004166241 is an apocalyptic number.

It is an amenable number.

20004166241 is a deficient number, since it is larger than the sum of its proper divisors (1).

20004166241 is an equidigital number, since it uses as much as digits as its factorization.

20004166241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 26.

The spelling of 20004166241 in words is "twenty billion, four million, one hundred sixty-six thousand, two hundred forty-one".