20050386 has 8 divisors (see below), whose sum is σ = 40100784. Its totient is φ = 6683460.

The previous prime is 20050367. The next prime is 20050391. The reversal of 20050386 is 68305002.

It is a sphenic number, since it is the product of 3 distinct primes.

20050386 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1670860 + ... + 1670871.

It is an arithmetic number, because the mean of its divisors is an integer number (5012598).

Almost surely, 2^20050386 is an apocalyptic number.

20050386 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20050386 is a wasteful number, since it uses less digits than its factorization.

20050386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3341736.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 20050386 is about 4477.7657375079. The cubic root of 20050386 is about 271.6695182474.

Adding to 20050386 its reverse (68305002), we get a palindrome (88355388).

The spelling of 20050386 in words is "twenty million, fifty thousand, three hundred eighty-six".