220021111202200 has 192 divisors, whose sum is σ = 638026390840320. Its totient is φ = 68551029120000.

The previous prime is 220021111202161. The next prime is 220021111202209. The reversal of 220021111202200 is 2202111120022.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220021111202209) 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 47 ways as a sum of consecutive naturals, for example, 36353100 + ... + 41971300.

It is an arithmetic number, because the mean of its divisors is an integer number (3323054118960).

Almost surely, 2^{220021111202200} is an apocalyptic number.

220021111202200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220021111202200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (319013195420160).

220021111202200 is an abundant number, since it is smaller than the sum of its proper divisors (418005279638120).

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

220021111202200 is a wasteful number, since it uses less digits than its factorization.

220021111202200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5620778 (or 5620769 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 220021111202200 its reverse (2202111120022), we get a palindrome (222223222322222).

The spelling of 220021111202200 in words is "two hundred twenty trillion, twenty-one billion, one hundred eleven million, two hundred two thousand, two hundred".