20166046 has 8 divisors (see below), whose sum is σ = 32028480. Its totient is φ = 9489888.

The previous prime is 20166001. The next prime is 20166053. The reversal of 20166046 is 64066102.

It is a happy number.

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

It is a super-2 number, since 2×20166046² = 813338822548232, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20166046.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 296526 + ... + 296593.

It is an arithmetic number, because the mean of its divisors is an integer number (4003560).

Almost surely, 2^20166046 is an apocalyptic number.

20166046 is a deficient number, since it is larger than the sum of its proper divisors (11862434).

20166046 is a wasteful number, since it uses less digits than its factorization.

20166046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 593138.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 20166046 is about 4490.6620892692. The cubic root of 20166046 is about 272.1908892871.

The spelling of 20166046 in words is "twenty million, one hundred sixty-six thousand, forty-six".