220021312330 has 16 divisors (see below), whose sum is σ = 416882486880. Its totient is φ = 83376497232.

The previous prime is 220021312327. The next prime is 220021312373. The reversal of 220021312330 is 33213120022.

220021312330 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 (19).

It is a junction number, because it is equal to n+sod(n) for n = 220021312298 and 220021312307.

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 7 ways as a sum of consecutive naturals, for example, 579003264 + ... + 579003643.

It is an arithmetic number, because the mean of its divisors is an integer number (26055155430).

Almost surely, 2^220021312330 is an apocalyptic number.

220021312330 is a deficient number, since it is larger than the sum of its proper divisors (196861174550).

220021312330 is a wasteful number, since it uses less digits than its factorization.

220021312330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1158006933.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 220021312330 its reverse (33213120022), we get a palindrome (253234432352).

The spelling of 220021312330 in words is "two hundred twenty billion, twenty-one million, three hundred twelve thousand, three hundred thirty".