210430411220 has 12 divisors (see below), whose sum is σ = 441903863604. Its totient is φ = 84172164480.

The previous prime is 210430411193. The next prime is 210430411223. The reversal of 210430411220 is 22114034012.

It can be written as a sum of positive squares in 2 ways, for example, as 129839150224 + 80591260996 = 360332^2 + 283886^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 10521520561 = 210430411220 / (2 + 1 + 0 + 4 + 3 + 0 + 4 + 1 + 1 + 2 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 210430411192 and 210430411201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210430411223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5260760261 + ... + 5260760300.

It is an arithmetic number, because the mean of its divisors is an integer number (36825321967).

Almost surely, 2^210430411220 is an apocalyptic number.

210430411220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210430411220 is an abundant number, since it is smaller than the sum of its proper divisors (231473452384).

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

210430411220 is a wasteful number, since it uses less digits than its factorization.

210430411220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10521520570 (or 10521520568 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 210430411220 its reverse (22114034012), we get a palindrome (232544445232).

The spelling of 210430411220 in words is "two hundred ten billion, four hundred thirty million, four hundred eleven thousand, two hundred twenty".