20166052 has 6 divisors (see below), whose sum is σ = 35290598. Its totient is φ = 10083024.

The previous prime is 20166001. The next prime is 20166053. The reversal of 20166052 is 25066102.

It can be written as a sum of positive squares in only one way, i.e., 10394176 + 9771876 = 3224^2 + 3126^2 .

It is not an unprimeable number, because it can be changed into a prime (20166053) 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, 2520753 + ... + 2520760.

Almost surely, 2^20166052 is an apocalyptic number.

It is an amenable number.

20166052 is a deficient number, since it is larger than the sum of its proper divisors (15124546).

20166052 is a wasteful number, since it uses less digits than its factorization.

20166052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5041517 (or 5041515 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 20166052 is about 4490.6627573221. The cubic root of 20166052 is about 272.1909162821.

The spelling of 20166052 in words is "twenty million, one hundred sixty-six thousand, fifty-two".