220011300 has 54 divisors (see below), whose sum is σ = 689616018. Its totient is φ = 58669440.

The previous prime is 220011299. The next prime is 220011329. The reversal of 220011300 is 3110022.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 39538944 + 180472356 = 6288^2 + 13434^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 121329 + ... + 123128.

It is an arithmetic number, because the mean of its divisors is an integer number (12770667).

Almost surely, 2^220011300 is an apocalyptic number.

220011300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220011300 is an abundant number, since it is smaller than the sum of its proper divisors (469604718).

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

220011300 is a wasteful number, since it uses less digits than its factorization.

220011300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244477 (or 244467 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 220011300 is about 14832.7778922223. Note that the first 3 decimals coincide. The cubic root of 220011300 is about 603.6914092545.

Adding to 220011300 its reverse (3110022), we get a palindrome (223121322).

The spelling of 220011300 in words is "two hundred twenty million, eleven thousand, three hundred".