220220212101210 has 48 divisors (see below), whose sum is σ = 572751313546464. Its totient is φ = 58707055321056.

The previous prime is 220220212101187. The next prime is 220220212101221. The reversal of 220220212101210 is 12101212022022.

It is a happy number.

220220212101210 is a `hidden beast` number, since 2 + 2 + 0 + 220 + 21 + 210 + 1 + 210 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 381680392 + ... + 382256931.

It is an arithmetic number, because the mean of its divisors is an integer number (11932319032218).

Almost surely, 2^{220220212101210} is an apocalyptic number.

220220212101210 is an abundant number, since it is smaller than the sum of its proper divisors (352531101445254).

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

220220212101210 is a wasteful number, since it uses less digits than its factorization.

220220212101210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 763940539 (or 763940536 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 220220212101210 its reverse (12101212022022), we get a palindrome (232321424123232).

The spelling of 220220212101210 in words is "two hundred twenty trillion, two hundred twenty billion, two hundred twelve million, one hundred one thousand, two hundred ten".