220765375 has 8 divisors (see below), whose sum is σ = 275515344. Its totient is φ = 176612200.

The previous prime is 220765373. The next prime is 220765409. The reversal of 220765375 is 573567022.

It is not a de Polignac number, because 220765375 - 2¹ = 220765373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220765373) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 882937 + ... + 883186.

It is an arithmetic number, because the mean of its divisors is an integer number (34439418).

Almost surely, 2^220765375 is an apocalyptic number.

220765375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

220765375 is a deficient number, since it is larger than the sum of its proper divisors (54749969).

220765375 is an equidigital number, since it uses as much as digits as its factorization.

220765375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1766138 (or 1766128 counting only the distinct ones).

The product of its (nonzero) digits is 88200, while the sum is 37.

The square root of 220765375 is about 14858.1753590406. The cubic root of 220765375 is about 604.3803276545.

The spelling of 220765375 in words is "two hundred twenty million, seven hundred sixty-five thousand, three hundred seventy-five".