20050466 has 4 divisors (see below), whose sum is σ = 30075702. Its totient is φ = 10025232.

The previous prime is 20050451. The next prime is 20050469. The reversal of 20050466 is 66405002.

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

It can be written as a sum of positive squares in only one way, i.e., 18241441 + 1809025 = 4271^2 + 1345^2 .

It is not an unprimeable number, because it can be changed into a prime (20050469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5012615 + ... + 5012618.

Almost surely, 2^20050466 is an apocalyptic number.

20050466 is a deficient number, since it is larger than the sum of its proper divisors (10025236).

20050466 is a wasteful number, since it uses less digits than its factorization.

20050466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10025235.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 20050466 is about 4477.7746705255. The cubic root of 20050466 is about 271.6698795627.

Adding to 20050466 its reverse (66405002), we get a palindrome (86455468).

The spelling of 20050466 in words is "twenty million, fifty thousand, four hundred sixty-six".