220021320332 has 24 divisors (see below), whose sum is σ = 420392890512. Its totient is φ = 99925836800.

The previous prime is 220021320293. The next prime is 220021320341. The reversal of 220021320332 is 233023120022.

220021320332 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 2043269 + ... + 2148252.

It is an arithmetic number, because the mean of its divisors is an integer number (17516370438).

Almost surely, 2^220021320332 is an apocalyptic number.

220021320332 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

220021320332 is a deficient number, since it is larger than the sum of its proper divisors (200371570180).

220021320332 is a wasteful number, since it uses less digits than its factorization.

220021320332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4192729 (or 4192727 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 220021320332 its reverse (233023120022), we get a palindrome (453044440354).

The spelling of 220021320332 in words is "two hundred twenty billion, twenty-one million, three hundred twenty thousand, three hundred thirty-two".