20055212 has 12 divisors (see below), whose sum is σ = 35200200. Its totient is φ = 9998016.

The previous prime is 20055199. The next prime is 20055227. The reversal of 20055212 is 21255002.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5837 + ... + 8612.

It is an arithmetic number, because the mean of its divisors is an integer number (2933350).

Almost surely, 2^20055212 is an apocalyptic number.

It is an amenable number.

20055212 is a deficient number, since it is larger than the sum of its proper divisors (15144988).

20055212 is a wasteful number, since it uses less digits than its factorization.

20055212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14800 (or 14798 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 20055212 is about 4478.3045899090. The cubic root of 20055212 is about 271.6913128722.

The spelling of 20055212 in words is "twenty million, fifty-five thousand, two hundred twelve".