220240011 has 4 divisors (see below), whose sum is σ = 293653352. Its totient is φ = 146826672.

The previous prime is 220239997. The next prime is 220240037. The reversal of 220240011 is 110042022.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 220240011 - 2⁷ = 220239883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220240081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36706666 + ... + 36706671.

It is an arithmetic number, because the mean of its divisors is an integer number (73413338).

Almost surely, 2^220240011 is an apocalyptic number.

220240011 is a deficient number, since it is larger than the sum of its proper divisors (73413341).

220240011 is an equidigital number, since it uses as much as digits as its factorization.

220240011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73413340.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 220240011 is about 14840.4855378791. The cubic root of 220240011 is about 603.9005243470.

Adding to 220240011 its reverse (110042022), we get a palindrome (330282033).

The spelling of 220240011 in words is "two hundred twenty million, two hundred forty thousand, eleven".