220120100210 has 32 divisors (see below), whose sum is σ = 402529633920. Its totient is φ = 86647663872.

The previous prime is 220120100209. The next prime is 220120100287. The reversal of 220120100210 is 12001021022.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 220120100191 and 220120100200.

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 15 ways as a sum of consecutive naturals, for example, 513227 + ... + 838833.

It is an arithmetic number, because the mean of its divisors is an integer number (12579051060).

Almost surely, 2^220120100210 is an apocalyptic number.

220120100210 is a deficient number, since it is larger than the sum of its proper divisors (182409533710).

220120100210 is a wasteful number, since it uses less digits than its factorization.

220120100210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326690.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 220120100210 its reverse (12001021022), we get a palindrome (232121121232).

The spelling of 220120100210 in words is "two hundred twenty billion, one hundred twenty million, one hundred thousand, two hundred ten".