20046384 has 60 divisors (see below), whose sum is σ = 56900376. Its totient is φ = 6587136.

The previous prime is 20046373. The next prime is 20046401. The reversal of 20046384 is 48364002.

20046384 is a `hidden beast` number, since 20 + 0 + 4 + 638 + 4 = 666.

It is a super-2 number, since 2×20046384² = 803715022950912, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9559 + ... + 11465.

Almost surely, 2^20046384 is an apocalyptic number.

20046384 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20046384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28450188).

20046384 is an abundant number, since it is smaller than the sum of its proper divisors (36853992).

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

20046384 is a wasteful number, since it uses less digits than its factorization.

20046384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1994 (or 1985 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 20046384 is about 4477.3188405563. The cubic root of 20046384 is about 271.6514422238.

The spelling of 20046384 in words is "twenty million, forty-six thousand, three hundred eighty-four".