220244024021 has 16 divisors (see below), whose sum is σ = 257912755584. Its totient is φ = 184138605504.

The previous prime is 220244023939. The next prime is 220244024057. The reversal of 220244024021 is 120420442022.

220244024021 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 220244024021 - 2¹⁸ = 220243761877 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220244024071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 278486 + ... + 719751.

It is an arithmetic number, because the mean of its divisors is an integer number (16119547224).

Almost surely, 2^220244024021 is an apocalyptic number.

It is an amenable number.

220244024021 is a deficient number, since it is larger than the sum of its proper divisors (37668731563).

220244024021 is an equidigital number, since it uses as much as digits as its factorization.

220244024021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 999020.

The product of its (nonzero) digits is 2048, while the sum is 23.

Adding to 220244024021 its reverse (120420442022), we get a palindrome (340664466043).

The spelling of 220244024021 in words is "two hundred twenty billion, two hundred forty-four million, twenty-four thousand, twenty-one".