2120200170 has 64 divisors (see below), whose sum is σ = 5556418560. Its totient is φ = 513492800.

The previous prime is 2120200163. The next prime is 2120200171. The reversal of 2120200170 is 710020212.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (2120200171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 432835 + ... + 437705.

It is an arithmetic number, because the mean of its divisors is an integer number (86819040).

Almost surely, 2^2120200170 is an apocalyptic number.

2120200170 is an abundant number, since it is smaller than the sum of its proper divisors (3436218390).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2120200170 is a wasteful number, since it uses less digits than its factorization.

2120200170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6211.

The product of its (nonzero) digits is 56, while the sum is 15.

The square root of 2120200170 is about 46045.6313888734. The cubic root of 2120200170 is about 1284.6720879996.

Adding to 2120200170 its reverse (710020212), we get a palindrome (2830220382).

The spelling of 2120200170 in words is "two billion, one hundred twenty million, two hundred thousand, one hundred seventy".