20192166 has 20 divisors (see below), whose sum is σ = 45245772. Its totient is φ = 6730668.

The previous prime is 20192153. The next prime is 20192167. The reversal of 20192166 is 66129102.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20192167) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 62160 + ... + 62483.

Almost surely, 2^20192166 is an apocalyptic number.

20192166 is an abundant number, since it is smaller than the sum of its proper divisors (25053606).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20192166 is a wasteful number, since it uses less digits than its factorization.

20192166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124657 (or 124648 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 20192166 is about 4493.5694052724. The cubic root of 20192166 is about 272.3083566819.

The spelling of 20192166 in words is "twenty million, one hundred ninety-two thousand, one hundred sixty-six".