211300234220 has 24 divisors (see below), whose sum is σ = 443950571904. Its totient is φ = 84478173696.

The previous prime is 211300234193. The next prime is 211300234267. The reversal of 211300234220 is 22432003112.

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 = 211300234192 and 211300234201.

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, 2578652 + ... + 2659331.

It is an arithmetic number, because the mean of its divisors is an integer number (18497940496).

Almost surely, 2^211300234220 is an apocalyptic number.

211300234220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211300234220 is an abundant number, since it is smaller than the sum of its proper divisors (232650337684).

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

211300234220 is a wasteful number, since it uses less digits than its factorization.

211300234220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5240009 (or 5240007 counting only the distinct ones).

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

Adding to 211300234220 its reverse (22432003112), we get a palindrome (233732237332).

The spelling of 211300234220 in words is "two hundred eleven billion, three hundred million, two hundred thirty-four thousand, two hundred twenty".