201020212 has 24 divisors (see below), whose sum is σ = 361775232. Its totient is φ = 97675200.

The previous prime is 201020201. The next prime is 201020233. The reversal of 201020212 is 212020102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42183 + ... + 46705.

It is an arithmetic number, because the mean of its divisors is an integer number (15073968).

Almost surely, 2^201020212 is an apocalyptic number.

It is an amenable number.

201020212 is a deficient number, since it is larger than the sum of its proper divisors (160755020).

201020212 is a wasteful number, since it uses less digits than its factorization.

201020212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4839 (or 4837 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 201020212 is about 14178.1596831183. The cubic root of 201020212 is about 585.7962342946.

Adding to 201020212 its reverse (212020102), we get a palindrome (413040314).

It can be divided in two parts, 2010 and 20212, that added together give a palindrome (22222).

The spelling of 201020212 in words is "two hundred one million, twenty thousand, two hundred twelve".