275153220 has 48 divisors (see below), whose sum is σ = 856033920. Its totient is φ = 73374048.

The previous prime is 275153183. The next prime is 275153239. The reversal of 275153220 is 22351572.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 254232 + ... + 255311.

It is an arithmetic number, because the mean of its divisors is an integer number (17834040).

Almost surely, 2^275153220 is an apocalyptic number.

275153220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

275153220 is an abundant number, since it is smaller than the sum of its proper divisors (580880700).

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

275153220 is a wasteful number, since it uses less digits than its factorization.

275153220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509561 (or 509553 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 275153220 is about 16587.7430652877. The cubic root of 275153220 is about 650.4164747124.

The spelling of 275153220 in words is "two hundred seventy-five million, one hundred fifty-three thousand, two hundred twenty".