220131210 has 64 divisors (see below), whose sum is σ = 570810240. Its totient is φ = 54009600.

The previous prime is 220131203. The next prime is 220131211. The reversal of 220131210 is 12131022.

It is not an unprimeable number, because it can be changed into a prime (220131211) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 150985 + ... + 152435.

It is an arithmetic number, because the mean of its divisors is an integer number (8918910).

Almost surely, 2^220131210 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220131210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (285405120).

220131210 is an abundant number, since it is smaller than the sum of its proper divisors (350679030).

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

220131210 is a wasteful number, since it uses less digits than its factorization.

220131210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1863.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 220131210 is about 14836.8194030931. The cubic root of 220131210 is about 603.8010634554.

Adding to 220131210 its reverse (12131022), we get a palindrome (232262232).

It can be divided in two parts, 2201 and 31210, that added together give a triangular number (33411 = T₂₅₈).

The spelling of 220131210 in words is "two hundred twenty million, one hundred thirty-one thousand, two hundred ten".