220221220220210 has 16 divisors (see below), whose sum is σ = 432434396068992. Its totient is φ = 80080443716400.

The previous prime is 220221220220149. The next prime is 220221220220213. The reversal of 220221220220210 is 12022022122022.

220221220220210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (220221220220213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1001005546346 + ... + 1001005546565.

It is an arithmetic number, because the mean of its divisors is an integer number (27027149754312).

Almost surely, 2^{220221220220210} is an apocalyptic number.

220221220220210 is a deficient number, since it is larger than the sum of its proper divisors (212213175848782).

220221220220210 is a wasteful number, since it uses less digits than its factorization.

220221220220210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2002011092929.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 220221220220210 its reverse (12022022122022), we get a palindrome (232243242342232).

It can be divided in two parts, 2202212 and 20220210, that added together give a palindrome (22422422).

The spelling of 220221220220210 in words is "two hundred twenty trillion, two hundred twenty-one billion, two hundred twenty million, two hundred twenty thousand, two hundred ten".