20306050 has 24 divisors (see below), whose sum is σ = 38152692. Its totient is φ = 8040000.

The previous prime is 20306017. The next prime is 20306059. The reversal of 20306050 is 5060302.

It can be written as a sum of positive squares in 6 ways, for example, as 7767369 + 12538681 = 2787^2 + 3541^2 .

It is a hoax number, since the sum of its digits (16) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (20306059) 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 11 ways as a sum of consecutive naturals, for example, 3040 + ... + 7060.

Almost surely, 2^20306050 is an apocalyptic number.

20306050 is a deficient number, since it is larger than the sum of its proper divisors (17846642).

20306050 is a wasteful number, since it uses less digits than its factorization.

20306050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4134 (or 4129 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 20306050 is about 4506.2234742631. The cubic root of 20306050 is about 272.8193377732.

Adding to 20306050 its reverse (5060302), we get a palindrome (25366352).

The spelling of 20306050 in words is "twenty million, three hundred six thousand, fifty".