220036320 has 288 divisors, whose sum is σ = 871782912. Its totient is φ = 49499136.

The previous prime is 220036279. The next prime is 220036339. The reversal of 220036320 is 23630022.

220036320 = T₂₂₆₁ + T₂₂₆₂ + ... + T₂₃₄₃.

It is a tau number, because it is divible by the number of its divisors (288).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 220036293 and 220036302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 836509 + ... + 836771.

It is an arithmetic number, because the mean of its divisors is an integer number (3027024).

Almost surely, 2^220036320 is an apocalyptic number.

220036320 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 220036320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (435891456).

220036320 is an abundant number, since it is smaller than the sum of its proper divisors (651746592).

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

220036320 is a wasteful number, since it uses less digits than its factorization.

220036320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374 (or 363 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 220036320 is about 14833.6212706136. The cubic root of 220036320 is about 603.7142926042.

Adding to 220036320 its reverse (23630022), we get a palindrome (243666342).

The spelling of 220036320 in words is "two hundred twenty million, thirty-six thousand, three hundred twenty".