20164041 has 6 divisors (see below), whose sum is σ = 29125850. Its totient is φ = 13442688.

The previous prime is 20164013. The next prime is 20164049. The reversal of 20164041 is 14046102.

20164041 is a `hidden beast` number, since 20 + 1 + 640 + 4 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 11289600 + 8874441 = 3360^2 + 2979^2 .

It is not a de Polignac number, because 20164041 - 2⁹ = 20163529 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20164049) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1120216 + ... + 1120233.

Almost surely, 2^20164041 is an apocalyptic number.

It is an amenable number.

20164041 is a deficient number, since it is larger than the sum of its proper divisors (8961809).

20164041 is a wasteful number, since it uses less digits than its factorization.

20164041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2240455 (or 2240452 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 20164041 is about 4490.4388426968. The cubic root of 20164041 is about 272.1818681694.

The spelling of 20164041 in words is "twenty million, one hundred sixty-four thousand, forty-one".