220001209975 has 12 divisors (see below), whose sum is σ = 281601549760. Its totient is φ = 170323516800.

The previous prime is 220001209957. The next prime is 220001209991. The reversal of 220001209975 is 579902100022.

220001209975 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 220001209975 - 2¹¹ = 220001207927 is a prime.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 141935490 + ... + 141937039.

Almost surely, 2^220001209975 is an apocalyptic number.

220001209975 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

220001209975 is a deficient number, since it is larger than the sum of its proper divisors (61600339785).

220001209975 is a wasteful number, since it uses less digits than its factorization.

220001209975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283872570 (or 283872565 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 37.

Adding to 220001209975 its reverse (579902100022), we get a palindrome (799903309997).

The spelling of 220001209975 in words is "two hundred twenty billion, one million, two hundred nine thousand, nine hundred seventy-five".