20380132 has 12 divisors (see below), whose sum is σ = 35731696. Its totient is φ = 10171080.

The previous prime is 20380123. The next prime is 20380169. The reversal of 20380132 is 23108302.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2178 + ... + 6745.

Almost surely, 2^20380132 is an apocalyptic number.

It is an amenable number.

20380132 is a deficient number, since it is larger than the sum of its proper divisors (15351564).

20380132 is a wasteful number, since it uses less digits than its factorization.

20380132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9498 (or 9496 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 20380132 is about 4514.4359559086. The cubic root of 20380132 is about 273.1507082016.

Adding to 20380132 its reverse (23108302), we get a palindrome (43488434).

The spelling of 20380132 in words is "twenty million, three hundred eighty thousand, one hundred thirty-two".