20065166 has 8 divisors (see below), whose sum is σ = 32833944. Its totient is φ = 9120520.

The previous prime is 20065163. The next prime is 20065181. The reversal of 20065166 is 66156002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×20065166² = 805221773215112, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20065163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 456005 + ... + 456048.

It is an arithmetic number, because the mean of its divisors is an integer number (4104243).

Almost surely, 2^20065166 is an apocalyptic number.

20065166 is a deficient number, since it is larger than the sum of its proper divisors (12768778).

20065166 is a wasteful number, since it uses less digits than its factorization.

20065166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 912066.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 20065166 is about 4479.4158101252. The cubic root of 20065166 is about 271.7362549389.

The spelling of 20065166 in words is "twenty million, sixty-five thousand, one hundred sixty-six".