220021002210 has 64 divisors (see below), whose sum is σ = 528989460480. Its totient is φ = 58568038080.

The previous prime is 220021002143. The next prime is 220021002217. The reversal of 220021002210 is 12200120022.

220021002210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (220021002217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52247005 + ... + 52251215.

It is an arithmetic number, because the mean of its divisors is an integer number (8265460320).

Almost surely, 2^220021002210 is an apocalyptic number.

220021002210 is an abundant number, since it is smaller than the sum of its proper divisors (308968458270).

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

220021002210 is a wasteful number, since it uses less digits than its factorization.

220021002210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6903.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 220021002210 its reverse (12200120022), we get a palindrome (232221122232).

The spelling of 220021002210 in words is "two hundred twenty billion, twenty-one million, two thousand, two hundred ten".