220750577 has 4 divisors (see below), whose sum is σ = 221092416. Its totient is φ = 220408740.

The previous prime is 220750567. The next prime is 220750583. The reversal of 220750577 is 775057022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 220750577 - 2⁶ = 220750513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220750507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 169949 + ... + 171242.

It is an arithmetic number, because the mean of its divisors is an integer number (55273104).

Almost surely, 2^220750577 is an apocalyptic number.

It is an amenable number.

220750577 is a deficient number, since it is larger than the sum of its proper divisors (341839).

220750577 is an equidigital number, since it uses as much as digits as its factorization.

220750577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341838.

The product of its (nonzero) digits is 34300, while the sum is 35.

The square root of 220750577 is about 14857.6773756870. The cubic root of 220750577 is about 604.3668233932.

The spelling of 220750577 in words is "two hundred twenty million, seven hundred fifty thousand, five hundred seventy-seven".