20184169041 has 81 divisors (see below), whose sum is σ = 32015657947. Its totient is φ = 12252203040.

The previous prime is 20184169007. The next prime is 20184169051. The reversal of 20184169041 is 14096148102.

The square root of 20184169041 is 142071.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 10584088641 + 9600080400 = 102879^2 + 97980^2 .

It is not a de Polignac number, because 20184169041 - 2¹¹ = 20184166993 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20184168987 and 20184169005.

It is not an unprimeable number, because it can be changed into a prime (20184169051) 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 in 80 ways as a sum of consecutive naturals, for example, 284284036 + ... + 284284106.

Almost surely, 2^20184169041 is an apocalyptic number.

20184169041 is the 142071-st square number.

20184169041 is the 71036-th centered octagonal number.

It is an amenable number.

20184169041 is a deficient number, since it is larger than the sum of its proper divisors (11831488906).

20184169041 is an equidigital number, since it uses as much as digits as its factorization.

20184169041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252 (or 126 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

Multiplying 20184169041 by its sum of digits (36), we get a square (726630085476 = 852426²).

It can be divided in two parts, 20184 and 169041, that added together give a square (189225 = 435²).

The spelling of 20184169041 in words is "twenty billion, one hundred eighty-four million, one hundred sixty-nine thousand, forty-one".