2120020210 has 64 divisors (see below), whose sum is σ = 4873768704. Its totient is φ = 644659200.

The previous prime is 2120020187. The next prime is 2120020213. The reversal of 2120020210 is 120200212.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (2120020213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2007 + ... + 65146.

It is an arithmetic number, because the mean of its divisors is an integer number (76152636).

Almost surely, 2^2120020210 is an apocalyptic number.

2120020210 is an abundant number, since it is smaller than the sum of its proper divisors (2753748494).

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

2120020210 is a wasteful number, since it uses less digits than its factorization.

2120020210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67219.

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

The square root of 2120020210 is about 46043.6771989380. The cubic root of 2120020210 is about 1284.6357398388.

Adding to 2120020210 its reverse (120200212), we get a palindrome (2240220422).

It can be divided in two parts, 21200202 and 10, that added together give a palindrome (21200212).

The spelling of 2120020210 in words is "two billion, one hundred twenty million, twenty thousand, two hundred ten".