20382132 has 12 divisors (see below), whose sum is σ = 47558336. Its totient is φ = 6794040.

The previous prime is 20382127. The next prime is 20382139. The reversal of 20382132 is 23128302.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 20382099 and 20382108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20382139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 849244 + ... + 849267.

Almost surely, 2^20382132 is an apocalyptic number.

It is an amenable number.

20382132 is an abundant number, since it is smaller than the sum of its proper divisors (27176204).

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

20382132 is a wasteful number, since it uses less digits than its factorization.

20382132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1698518 (or 1698516 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 20382132 is about 4514.6574620895. The cubic root of 20382132 is about 273.1596431052.

The spelling of 20382132 in words is "twenty million, three hundred eighty-two thousand, one hundred thirty-two".