275750220 has 48 divisors (see below), whose sum is σ = 805674240. Its totient is φ = 70335936.

The previous prime is 275750201. The next prime is 275750227. The reversal of 275750220 is 22057572.

275750220 is digitally balanced in base 3, 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 (30).

It is not an unprimeable number, because it can be changed into a prime (275750227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98530 + ... + 101289.

It is an arithmetic number, because the mean of its divisors is an integer number (16784880).

Almost surely, 2^275750220 is an apocalyptic number.

275750220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

275750220 is an abundant number, since it is smaller than the sum of its proper divisors (529924020).

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

275750220 is a wasteful number, since it uses less digits than its factorization.

275750220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199854 (or 199852 counting only the distinct ones).

The product of its (nonzero) digits is 9800, while the sum is 30.

The square root of 275750220 is about 16605.7285296370. The cubic root of 275750220 is about 650.8865378320.

The spelling of 275750220 in words is "two hundred seventy-five million, seven hundred fifty thousand, two hundred twenty".