20166076 has 48 divisors (see below), whose sum is σ = 41803776. Its totient is φ = 8334144.

The previous prime is 20166053. The next prime is 20166077. The reversal of 20166076 is 67066102.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20166077) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 158725 + ... + 158851.

It is an arithmetic number, because the mean of its divisors is an integer number (870912).

Almost surely, 2^20166076 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20166076, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20901888).

20166076 is an abundant number, since it is smaller than the sum of its proper divisors (21637700).

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

20166076 is a wasteful number, since it uses less digits than its factorization.

20166076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298 (or 296 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 20166076 is about 4490.6654295327. The cubic root of 20166076 is about 272.1910242619.

The spelling of 20166076 in words is "twenty million, one hundred sixty-six thousand, seventy-six".