220220001001 has 48 divisors (see below), whose sum is σ = 298618334208. Its totient is φ = 157700088000.

The previous prime is 220220000989. The next prime is 220220001083. The reversal of 220220001001 is 100100022022.

It is not a de Polignac number, because 220220001001 - 2¹¹ = 220219998953 is a prime.

It is a super-5 number, since 5×220220001001⁵ (a number of 58 digits) contains 55555 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220220001091) 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 47 ways as a sum of consecutive naturals, for example, 2916676 + ... + 2991226.

It is an arithmetic number, because the mean of its divisors is an integer number (6221215296).

Almost surely, 2^220220001001 is an apocalyptic number.

It is an amenable number.

220220001001 is a deficient number, since it is larger than the sum of its proper divisors (78398333207).

220220001001 is a wasteful number, since it uses less digits than its factorization.

220220001001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74822 (or 74809 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 220220001001 its reverse (100100022022), we get a palindrome (320320023023).

The spelling of 220220001001 in words is "two hundred twenty billion, two hundred twenty million, one thousand, one".