220512241 has 4 divisors (see below), whose sum is σ = 222098800. Its totient is φ = 218925684.

The previous prime is 220512217. The next prime is 220512283. The reversal of 220512241 is 142215022.

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 220512241 - 2¹⁵ = 220479473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220512211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 793071 + ... + 793348.

It is an arithmetic number, because the mean of its divisors is an integer number (55524700).

Almost surely, 2^220512241 is an apocalyptic number.

It is an amenable number.

220512241 is a deficient number, since it is larger than the sum of its proper divisors (1586559).

220512241 is a wasteful number, since it uses less digits than its factorization.

220512241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1586558.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 220512241 is about 14849.6545751071. The cubic root of 220512241 is about 604.1492411135.

Adding to 220512241 its reverse (142215022), we get a palindrome (362727263).

The spelling of 220512241 in words is "two hundred twenty million, five hundred twelve thousand, two hundred forty-one".