2130220 has 24 divisors (see below), whose sum is σ = 4579344. Its totient is φ = 831936.

The previous prime is 2130209. The next prime is 2130239. The reversal of 2130220 is 220312.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 2130197 and 2130206.

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, 379 + ... + 2098.

It is an arithmetic number, because the mean of its divisors is an integer number (190806).

2^2130220 is an apocalyptic number.

2130220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2130220 is an abundant number, since it is smaller than the sum of its proper divisors (2449124).

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

2130220 is a wasteful number, since it uses less digits than its factorization.

2130220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2529 (or 2527 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 2130220 is about 1459.5273207446. The cubic root of 2130220 is about 128.6692647451.

Adding to 2130220 its reverse (220312), we get a palindrome (2350532).

The spelling of 2130220 in words is "two million, one hundred thirty thousand, two hundred twenty".