2120333220 has 48 divisors (see below), whose sum is σ = 6596593920. Its totient is φ = 565422048.

The previous prime is 2120333207. The next prime is 2120333227. The reversal of 2120333220 is 223330212.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2120333193 and 2120333202.

It is not an unprimeable number, because it can be changed into a prime (2120333227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1962732 + ... + 1963811.

It is an arithmetic number, because the mean of its divisors is an integer number (137429040).

Almost surely, 2^2120333220 is an apocalyptic number.

2120333220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2120333220 is an abundant number, since it is smaller than the sum of its proper divisors (4476260700).

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

2120333220 is a wasteful number, since it uses less digits than its factorization.

2120333220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3926561 (or 3926553 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 2120333220 is about 46047.0761286751. The cubic root of 2120333220 is about 1284.6989599979.

Adding to 2120333220 its reverse (223330212), we get a palindrome (2343663432).

The spelling of 2120333220 in words is "two billion, one hundred twenty million, three hundred thirty-three thousand, two hundred twenty".