220021220210 has 32 divisors (see below), whose sum is σ = 432428697792. Its totient is φ = 79936044480.

The previous prime is 220021220201. The next prime is 220021220267. The reversal of 220021220210 is 12022120022.

220021220210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 772472 + ... + 1018211.

It is an arithmetic number, because the mean of its divisors is an integer number (13513396806).

Almost surely, 2^220021220210 is an apocalyptic number.

220021220210 is a deficient number, since it is larger than the sum of its proper divisors (212407477582).

220021220210 is a wasteful number, since it uses less digits than its factorization.

220021220210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1791818.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 220021220210 its reverse (12022120022), we get a palindrome (232043340232).

The spelling of 220021220210 in words is "two hundred twenty billion, twenty-one million, two hundred twenty thousand, two hundred ten".