20182000 has 40 divisors (see below), whose sum is σ = 48804912. Its totient is φ = 8072000.

The previous prime is 20181989. The next prime is 20182013. The reversal of 20182000 is 28102.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3046 + ... + 7045.

Almost surely, 2^20182000 is an apocalyptic number.

20182000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20182000 is an abundant number, since it is smaller than the sum of its proper divisors (28622912).

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

20182000 is a wasteful number, since it uses less digits than its factorization.

20182000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10114 (or 10098 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 20182000 is about 4492.4380908366. The cubic root of 20182000 is about 272.2626499879.

The spelling of 20182000 in words is "twenty million, one hundred eighty-two thousand".