20092012 has 12 divisors (see below), whose sum is σ = 36373680. Its totient is φ = 9699536.

The previous prime is 20092001. The next prime is 20092019. The reversal of 20092012 is 21029002.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20092019) 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 3 ways as a sum of consecutive naturals, for example, 86488 + ... + 86719.

It is an arithmetic number, because the mean of its divisors is an integer number (3031140).

Almost surely, 2^20092012 is an apocalyptic number.

It is an amenable number.

20092012 is a deficient number, since it is larger than the sum of its proper divisors (16281668).

20092012 is a wasteful number, since it uses less digits than its factorization.

20092012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173240 (or 173238 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 20092012 is about 4482.4114045902. The cubic root of 20092012 is about 271.8573899194.

The spelling of 20092012 in words is "twenty million, ninety-two thousand, twelve".