211433200220 has 36 divisors (see below), whose sum is σ = 488043747912. Its totient is φ = 76884799200.

The previous prime is 211433200213. The next prime is 211433200259. The reversal of 211433200220 is 22002334112.

211433200220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 211433200192 and 211433200201.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 43682126 + ... + 43686965.

Almost surely, 2^211433200220 is an apocalyptic number.

211433200220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211433200220 is an abundant number, since it is smaller than the sum of its proper divisors (276610547692).

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

211433200220 is a wasteful number, since it uses less digits than its factorization.

211433200220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87369122 (or 87369109 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 211433200220 its reverse (22002334112), we get a palindrome (233435534332).

The spelling of 211433200220 in words is "two hundred eleven billion, four hundred thirty-three million, two hundred thousand, two hundred twenty".