220311320210 has 16 divisors (see below), whose sum is σ = 396734271192. Its totient is φ = 88085884800.

The previous prime is 220311320209. The next prime is 220311320221. The reversal of 220311320210 is 12023113022.

It can be written as a sum of positive squares in 4 ways, for example, as 152694159121 + 67617161089 = 390761^2 + 260033^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4806461 + ... + 4852080.

Almost surely, 2^220311320210 is an apocalyptic number.

220311320210 is a deficient number, since it is larger than the sum of its proper divisors (176422950982).

220311320210 is a wasteful number, since it uses less digits than its factorization.

220311320210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9660829.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 220311320210 its reverse (12023113022), we get a palindrome (232334433232).

The spelling of 220311320210 in words is "two hundred twenty billion, three hundred eleven million, three hundred twenty thousand, two hundred ten".