211303320200220 has 96 divisors (see below), whose sum is σ = 599788471726080. Its totient is φ = 55572481036800.

The previous prime is 211303320200209. The next prime is 211303320200227. The reversal of 211303320200220 is 22002023303112.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211303320200227) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 75499021 + ... + 78247739.

It is an arithmetic number, because the mean of its divisors is an integer number (6247796580480).

Almost surely, 2^{211303320200220} is an apocalyptic number.

211303320200220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211303320200220 is an abundant number, since it is smaller than the sum of its proper divisors (388485151525860).

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

211303320200220 is a wasteful number, since it uses less digits than its factorization.

211303320200220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2766355 (or 2766353 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 211303320200220 its reverse (22002023303112), we get a palindrome (233305343503332).

The spelling of 211303320200220 in words is "two hundred eleven trillion, three hundred three billion, three hundred twenty million, two hundred thousand, two hundred twenty".