20179241 has 2 divisors, whose sum is σ = 20179242. Its totient is φ = 20179240.

The previous prime is 20179231. The next prime is 20179249. The reversal of 20179241 is 14297102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11417641 + 8761600 = 3379^2 + 2960^2 .

It is a cyclic number.

It is not a de Polignac number, because 20179241 - 2⁶ = 20179177 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20179241.

It is not a weakly prime, because it can be changed into another prime (20179249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10089620 + 10089621.

It is an arithmetic number, because the mean of its divisors is an integer number (10089621).

Almost surely, 2^20179241 is an apocalyptic number.

It is an amenable number.

20179241 is a deficient number, since it is larger than the sum of its proper divisors (1).

20179241 is an equidigital number, since it uses as much as digits as its factorization.

20179241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 20179241 is about 4492.1310087752. The cubic root of 20179241 is about 272.2502427787.

The spelling of 20179241 in words is "twenty million, one hundred seventy-nine thousand, two hundred forty-one".