20030366 has 16 divisors (see below), whose sum is σ = 30818880. Its totient is φ = 9759360.

The previous prime is 20030363. The next prime is 20030383. The reversal of 20030366 is 66303002.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20030363) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 38186 + ... + 38706.

It is an arithmetic number, because the mean of its divisors is an integer number (1926180).

Almost surely, 2^20030366 is an apocalyptic number.

20030366 is a deficient number, since it is larger than the sum of its proper divisors (10788514).

20030366 is a wasteful number, since it uses less digits than its factorization.

20030366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 979.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 20030366 is about 4475.5296893217. The cubic root of 20030366 is about 271.5790688673.

Adding to 20030366 its reverse (66303002), we get a palindrome (86333368).

The spelling of 20030366 in words is "twenty million, thirty thousand, three hundred sixty-six".