220021033200 has 60 divisors (see below), whose sum is σ = 704800713528. Its totient is φ = 58672275200.

The previous prime is 220021033181. The next prime is 220021033229. The reversal of 220021033200 is 2330120022.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 220021033200.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 91674231 + ... + 91676630.

Almost surely, 2^220021033200 is an apocalyptic number.

220021033200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220021033200 is an abundant number, since it is smaller than the sum of its proper divisors (484779680328).

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

220021033200 is a wasteful number, since it uses less digits than its factorization.

220021033200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183350882 (or 183350871 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 220021033200 its reverse (2330120022), we get a palindrome (222351153222).

The spelling of 220021033200 in words is "two hundred twenty billion, twenty-one million, thirty-three thousand, two hundred".