20012366 has 32 divisors (see below), whose sum is σ = 35196768. Its totient is φ = 8432640.

The previous prime is 20012347. The next prime is 20012371. The reversal of 20012366 is 66321002.

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 26936 + ... + 27668.

It is an arithmetic number, because the mean of its divisors is an integer number (1099899).

Almost surely, 2^20012366 is an apocalyptic number.

20012366 is a deficient number, since it is larger than the sum of its proper divisors (15184402).

20012366 is a wasteful number, since it uses less digits than its factorization.

20012366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 836.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 20012366 is about 4473.5183021868. The cubic root of 20012366 is about 271.4976942804.

Adding to 20012366 its reverse (66321002), we get a palindrome (86333368).

The spelling of 20012366 in words is "twenty million, twelve thousand, three hundred sixty-six".