2120210228 has 24 divisors (see below), whose sum is σ = 3907965600. Its totient is φ = 1003714848.

The previous prime is 2120210227. The next prime is 2120210237. The reversal of 2120210228 is 8220120212.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120210221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137618 + ... + 152246.

It is an arithmetic number, because the mean of its divisors is an integer number (162831900).

Almost surely, 2^2120210228 is an apocalyptic number.

It is an amenable number.

2120210228 is a deficient number, since it is larger than the sum of its proper divisors (1787755372).

2120210228 is a wasteful number, since it uses less digits than its factorization.

2120210228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16559 (or 16557 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 2120210228 is about 46045.7406064882. The cubic root of 2120210228 is about 1284.6741194448.

The spelling of 2120210228 in words is "two billion, one hundred twenty million, two hundred ten thousand, two hundred twenty-eight".