2130442220 has 24 divisors (see below), whose sum is σ = 4535218464. Its totient is φ = 840502656.

The previous prime is 2130442207. The next prime is 2130442243. The reversal of 2130442220 is 222440312.

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 = 2130442192 and 2130442201.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 728144 + ... + 731063.

It is an arithmetic number, because the mean of its divisors is an integer number (188967436).

Almost surely, 2^2130442220 is an apocalyptic number.

2130442220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2130442220 is an abundant number, since it is smaller than the sum of its proper divisors (2404776244).

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

2130442220 is a wasteful number, since it uses less digits than its factorization.

2130442220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1459289 (or 1459287 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 2130442220 is about 46156.7137045089. The cubic root of 2130442220 is about 1286.7373875715.

Adding to 2130442220 its reverse (222440312), we get a palindrome (2352882532).

The spelling of 2130442220 in words is "two billion, one hundred thirty million, four hundred forty-two thousand, two hundred twenty".