2130334420 has 24 divisors (see below), whose sum is σ = 4518000648. Its totient is φ = 843696000.

The previous prime is 2130334411. The next prime is 2130334439. The reversal of 2130334420 is 244330312.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 246427204 + 1883907216 = 15698^2 + 43404^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2130334391 and 2130334400.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 525291 + ... + 529330.

It is an arithmetic number, because the mean of its divisors is an integer number (188250027).

Almost surely, 2^2130334420 is an apocalyptic number.

2130334420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2130334420 is an abundant number, since it is smaller than the sum of its proper divisors (2387666228).

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

2130334420 is a wasteful number, since it uses less digits than its factorization.

2130334420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1054731 (or 1054729 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 2130334420 is about 46155.5459289564. The cubic root of 2130334420 is about 1286.7156843106.

Adding to 2130334420 its reverse (244330312), we get a palindrome (2374664732).

The spelling of 2130334420 in words is "two billion, one hundred thirty million, three hundred thirty-four thousand, four hundred twenty".