220199280 has 80 divisors (see below), whose sum is σ = 780140544. Its totient is φ = 50330880.

The previous prime is 220199267. The next prime is 220199299. The reversal of 220199280 is 82991022.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

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 15 ways as a sum of consecutive naturals, for example, 63856 + ... + 67215.

Almost surely, 2^220199280 is an apocalyptic number.

220199280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220199280 is an abundant number, since it is smaller than the sum of its proper divisors (559941264).

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

220199280 is a wasteful number, since it uses less digits than its factorization.

220199280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131094 (or 131088 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 220199280 is about 14839.1131810496. The cubic root of 220199280 is about 603.8632937689.

The spelling of 220199280 in words is "two hundred twenty million, one hundred ninety-nine thousand, two hundred eighty".