20012204 has 12 divisors (see below), whose sum is σ = 36229200. Its totient is φ = 9661008.

The previous prime is 20012203. The next prime is 20012207. The reversal of 20012204 is 40221002.

It is not an unprimeable number, because it can be changed into a prime (20012203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86144 + ... + 86375.

It is an arithmetic number, because the mean of its divisors is an integer number (3019100).

Almost surely, 2^20012204 is an apocalyptic number.

It is an amenable number.

20012204 is a deficient number, since it is larger than the sum of its proper divisors (16216996).

20012204 is a wasteful number, since it uses less digits than its factorization.

20012204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172552 (or 172550 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 20012204 is about 4473.5001955963. The cubic root of 20012204 is about 271.4969616876.

Adding to 20012204 its reverse (40221002), we get a palindrome (60233206).

The spelling of 20012204 in words is "twenty million, twelve thousand, two hundred four".