2010321220 has 48 divisors (see below), whose sum is σ = 4449936960. Its totient is φ = 760765824.

The previous prime is 2010321191. The next prime is 2010321223. The reversal of 2010321220 is 221230102.

It is a self number, because there is not a number n which added to its sum of digits gives 2010321220.

It is not an unprimeable number, because it can be changed into a prime (2010321223) 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, 311062 + ... + 317458.

It is an arithmetic number, because the mean of its divisors is an integer number (92707020).

Almost surely, 2^2010321220 is an apocalyptic number.

2010321220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2010321220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2224968480).

2010321220 is an abundant number, since it is smaller than the sum of its proper divisors (2439615740).

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

2010321220 is a wasteful number, since it uses less digits than its factorization.

2010321220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7252 (or 7250 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 2010321220 is about 44836.6058037403. The cubic root of 2010321220 is about 1262.0846527051.

Adding to 2010321220 its reverse (221230102), we get a palindrome (2231551322).

The spelling of 2010321220 in words is "two billion, ten million, three hundred twenty-one thousand, two hundred twenty".