2130299980 has 96 divisors (see below), whose sum is σ = 4768948800. Its totient is φ = 797948928.

The previous prime is 2130299947. The next prime is 2130299987. The reversal of 2130299980 is 899920312.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is not an unprimeable number, because it can be changed into a prime (2130299987) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 5711074 + ... + 5711446.

It is an arithmetic number, because the mean of its divisors is an integer number (49676550).

Almost surely, 2^2130299980 is an apocalyptic number.

2130299980 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 2130299980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2384474400).

2130299980 is an abundant number, since it is smaller than the sum of its proper divisors (2638648820).

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

2130299980 is a wasteful number, since it uses less digits than its factorization.

2130299980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 683 (or 681 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 43.

The square root of 2130299980 is about 46155.1728411887. The cubic root of 2130299980 is about 1286.7087503872.

The spelling of 2130299980 in words is "two billion, one hundred thirty million, two hundred ninety-nine thousand, nine hundred eighty".