2130321244420 has 24 divisors (see below), whose sum is σ = 4477061250648. Its totient is φ = 851483424000.

The previous prime is 2130321244417. The next prime is 2130321244439. The reversal of 2130321244420 is 244421230312.

It can be written as a sum of positive squares in 4 ways, for example, as 858113206336 + 1272208038084 = 926344^2 + 1127922^2 .

It is a super-2 number, since 2×2130321244420² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40290031 + ... + 40342870.

It is an arithmetic number, because the mean of its divisors is an integer number (186544218777).

Almost surely, 2^{2130321244420} is an apocalyptic number.

2130321244420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2130321244420 is an abundant number, since it is smaller than the sum of its proper divisors (2346740006228).

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

2130321244420 is a wasteful number, since it uses less digits than its factorization.

2130321244420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80634231 (or 80634229 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 2130321244420 its reverse (244421230312), we get a palindrome (2374742474732).

The spelling of 2130321244420 in words is "two trillion, one hundred thirty billion, three hundred twenty-one million, two hundred forty-four thousand, four hundred twenty".