220653889 has 4 divisors (see below), whose sum is σ = 220695856. Its totient is φ = 220611924.

The previous prime is 220653869. The next prime is 220653899. The reversal of 220653889 is 988356022.

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 220653889 - 2¹⁷ = 220522817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220653869) 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, 11739 + ... + 24064.

It is an arithmetic number, because the mean of its divisors is an integer number (55173964).

Almost surely, 2^220653889 is an apocalyptic number.

It is an amenable number.

220653889 is a deficient number, since it is larger than the sum of its proper divisors (41967).

220653889 is an equidigital number, since it uses as much as digits as its factorization.

220653889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41966.

The product of its (nonzero) digits is 207360, while the sum is 43.

The square root of 220653889 is about 14854.4232133059. The cubic root of 220653889 is about 604.2785736383.

The spelling of 220653889 in words is "two hundred twenty million, six hundred fifty-three thousand, eight hundred eighty-nine".