220211021330 has 16 divisors (see below), whose sum is σ = 419696299800. Its totient is φ = 82902972672.

The previous prime is 220211021243. The next prime is 220211021333. The reversal of 220211021330 is 33120112022.

It can be written as a sum of positive squares in 4 ways, for example, as 162545242561 + 57665778769 = 403169^2 + 240137^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 220211021299 and 220211021308.

It is not an unprimeable number, because it can be changed into a prime (220211021333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 647679305 + ... + 647679644.

Almost surely, 2^220211021330 is an apocalyptic number.

220211021330 is a deficient number, since it is larger than the sum of its proper divisors (199485278470).

220211021330 is a wasteful number, since it uses less digits than its factorization.

220211021330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1295358973.

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

Adding to 220211021330 its reverse (33120112022), we get a palindrome (253331133352).

The spelling of 220211021330 in words is "two hundred twenty billion, two hundred eleven million, twenty-one thousand, three hundred thirty".