220021332320330 has 16 divisors (see below), whose sum is σ = 396038640133224. Its totient is φ = 88008479160000.

The previous prime is 220021332320329. The next prime is 220021332320369. The reversal of 220021332320330 is 33023233120022.

It can be written as a sum of positive squares in 4 ways, for example, as 170987712555529 + 49033619764801 = 13076227^2 + 7002401^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 220021332320330.

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, 13307744 + ... + 24842276.

Almost surely, 2^{220021332320330} is an apocalyptic number.

220021332320330 is a deficient number, since it is larger than the sum of its proper divisors (176017307812894).

220021332320330 is a wasteful number, since it uses less digits than its factorization.

220021332320330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13442041.

The product of its (nonzero) digits is 7776, while the sum is 26.

Adding to 220021332320330 its reverse (33023233120022), we get a palindrome (253044565440352).

The spelling of 220021332320330 in words is "two hundred twenty trillion, twenty-one billion, three hundred thirty-two million, three hundred twenty thousand, three hundred thirty".