20184002 has 4 divisors (see below), whose sum is σ = 30276006. Its totient is φ = 10092000.

The previous prime is 20183957. The next prime is 20184011. The reversal of 20184002 is 20048102.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20048102 = 2 ⋅10024051.

It can be written as a sum of positive squares in only one way, i.e., 18309841 + 1874161 = 4279^2 + 1369^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5045999 + ... + 5046002.

Almost surely, 2^20184002 is an apocalyptic number.

20184002 is a deficient number, since it is larger than the sum of its proper divisors (10092004).

20184002 is a wasteful number, since it uses less digits than its factorization.

20184002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10092003.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 20184002 is about 4492.6609041858. The cubic root of 20184002 is about 272.2716522639.

The spelling of 20184002 in words is "twenty million, one hundred eighty-four thousand, two".