20318050 has 12 divisors (see below), whose sum is σ = 37791666. Its totient is φ = 8127200.

The previous prime is 20318041. The next prime is 20318057. The reversal of 20318050 is 5081302.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 19263321 + 1054729 = 4389^2 + 1027^2 .

It is not an unprimeable number, because it can be changed into a prime (20318057) 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 in 5 ways as a sum of consecutive naturals, for example, 203131 + ... + 203230.

Almost surely, 2^20318050 is an apocalyptic number.

20318050 is a deficient number, since it is larger than the sum of its proper divisors (17473616).

20318050 is a wasteful number, since it uses less digits than its factorization.

20318050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406373 (or 406368 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 20318050 is about 4507.5547694953. The cubic root of 20318050 is about 272.8730686788.

Adding to 20318050 its reverse (5081302), we get a palindrome (25399352).

The spelling of 20318050 in words is "twenty million, three hundred eighteen thousand, fifty".