20166192 has 40 divisors (see below), whose sum is σ = 57885680. Its totient is φ = 6721920.

The previous prime is 20166169. The next prime is 20166217. The reversal of 20166192 is 29166102.

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22909 + ... + 23772.

It is an arithmetic number, because the mean of its divisors is an integer number (1447142).

Almost surely, 2^20166192 is an apocalyptic number.

It is an amenable number.

20166192 is an abundant number, since it is smaller than the sum of its proper divisors (37719488).

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

20166192 is a wasteful number, since it uses less digits than its factorization.

20166192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46698 (or 46686 counting only the distinct ones).

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

The square root of 20166192 is about 4490.6783451946. The cubic root of 20166192 is about 272.1915461631.

The spelling of 20166192 in words is "twenty million, one hundred sixty-six thousand, one hundred ninety-two".