20001182 has 4 divisors (see below), whose sum is σ = 30001776. Its totient is φ = 10000590.

The previous prime is 20001181. The next prime is 20001203. The reversal of 20001182 is 28110002.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20001181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5000294 + ... + 5000297.

It is an arithmetic number, because the mean of its divisors is an integer number (7500444).

Almost surely, 2^20001182 is an apocalyptic number.

20001182 is a deficient number, since it is larger than the sum of its proper divisors (10000594).

20001182 is a wasteful number, since it uses less digits than its factorization.

20001182 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10000593.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 20001182 is about 4472.2681046646. The cubic root of 20001182 is about 271.4471089569.

Adding to 20001182 its reverse (28110002), we get a palindrome (48111184).

The spelling of 20001182 in words is "twenty million, one thousand, one hundred eighty-two".