220752565 has 32 divisors (see below), whose sum is σ = 307618560. Its totient is φ = 150297600.

The previous prime is 220752559. The next prime is 220752607. The reversal of 220752565 is 565257022.

220752565 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 220752565 - 2³ = 220752557 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 220752565.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 213600 + ... + 214630.

It is an arithmetic number, because the mean of its divisors is an integer number (9613080).

Almost surely, 2^220752565 is an apocalyptic number.

It is an amenable number.

220752565 is a deficient number, since it is larger than the sum of its proper divisors (86865995).

220752565 is a wasteful number, since it uses less digits than its factorization.

220752565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1293.

The product of its (nonzero) digits is 42000, while the sum is 34.

The square root of 220752565 is about 14857.7442769756. The cubic root of 220752565 is about 604.3686376242.

The spelling of 220752565 in words is "two hundred twenty million, seven hundred fifty-two thousand, five hundred sixty-five".