220021012200 has 96 divisors (see below), whose sum is σ = 744071081760. Its totient is φ = 53338425600.

The previous prime is 220021012069. The next prime is 220021012201. The reversal of 220021012200 is 2210120022.

220021012200 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 (12).

It is not an unprimeable number, because it can be changed into a prime (220021012201) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 16661659 + ... + 16674858.

It is an arithmetic number, because the mean of its divisors is an integer number (7750740435).

Almost surely, 2^220021012200 is an apocalyptic number.

220021012200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220021012200 is an abundant number, since it is smaller than the sum of its proper divisors (524050069560).

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

220021012200 is a wasteful number, since it uses less digits than its factorization.

220021012200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33336547 (or 33336538 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 220021012200 its reverse (2210120022), we get a palindrome (222231132222).

The spelling of 220021012200 in words is "two hundred twenty billion, twenty-one million, twelve thousand, two hundred".