2130043520 has 64 divisors (see below), whose sum is σ = 5555075040. Its totient is φ = 774558720.

The previous prime is 2130043483. The next prime is 2130043541. The reversal of 2130043520 is 253400312.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 2130043492 and 2130043501.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144242 + ... + 158321.

Almost surely, 2^2130043520 is an apocalyptic number.

2130043520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2130043520 is an abundant number, since it is smaller than the sum of its proper divisors (3425031520).

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

2130043520 is a wasteful number, since it uses less digits than its factorization.

2130043520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302593 (or 302581 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 2130043520 is about 46152.3945207613. The cubic root of 2130043520 is about 1286.6571140649.

Adding to 2130043520 its reverse (253400312), we get a palindrome (2383443832).

The spelling of 2130043520 in words is "two billion, one hundred thirty million, forty-three thousand, five hundred twenty".