20166337 has 8 divisors (see below), whose sum is σ = 21261312. Its totient is φ = 19099200.

The previous prime is 20166329. The next prime is 20166359. The reversal of 20166337 is 73366102.

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

It is a cyclic number.

It is not a de Polignac number, because 20166337 - 2³ = 20166329 is a prime.

It is a super-2 number, since 2×20166337² = 813362295995138, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20166317) 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 in 7 ways as a sum of consecutive naturals, for example, 5464 + ... + 8377.

It is an arithmetic number, because the mean of its divisors is an integer number (2657664).

Almost surely, 2^20166337 is an apocalyptic number.

It is an amenable number.

20166337 is a deficient number, since it is larger than the sum of its proper divisors (1094975).

20166337 is a wasteful number, since it uses less digits than its factorization.

20166337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13919.

The product of its (nonzero) digits is 4536, while the sum is 28.

The square root of 20166337 is about 4490.6944897198. The cubic root of 20166337 is about 272.1921985368.

It can be divided in two parts, 20166 and 337, that added together give a triangular number (20503 = T₂₀₂).

The spelling of 20166337 in words is "twenty million, one hundred sixty-six thousand, three hundred thirty-seven".