20189376 has 42 divisors (see below), whose sum is σ = 57870852. Its totient is φ = 6729600.

The previous prime is 20189363. The next prime is 20189399. The reversal of 20189376 is 67398102.

20189376 is a `hidden beast` number, since 201 + 89 + 376 = 666.

It is a super-2 number, since 2×20189376² = 815221806538752, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 20189376.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16950 + ... + 18101.

Almost surely, 2^20189376 is an apocalyptic number.

It is an amenable number.

20189376 is an abundant number, since it is smaller than the sum of its proper divisors (37681476).

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

20189376 is a wasteful number, since it uses less digits than its factorization.

20189376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35069 (or 35056 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 20189376 is about 4493.2589509175. The cubic root of 20189376 is about 272.2958142713.

The spelling of 20189376 in words is "twenty million, one hundred eighty-nine thousand, three hundred seventy-six".