220220031001 has 2 divisors, whose sum is σ = 220220031002. Its totient is φ = 220220031000.

The previous prime is 220220030999. The next prime is 220220031061. The reversal of 220220031001 is 100130022022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 177236790025 + 42983240976 = 420995^2 + 207324^2 .

It is a cyclic number.

It is not a de Polignac number, because 220220031001 - 2¹ = 220220030999 is a prime.

Together with 220220030999, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (220220031061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110110015500 + 110110015501.

It is an arithmetic number, because the mean of its divisors is an integer number (110110015501).

Almost surely, 2^220220031001 is an apocalyptic number.

It is an amenable number.

220220031001 is a deficient number, since it is larger than the sum of its proper divisors (1).

220220031001 is an equidigital number, since it uses as much as digits as its factorization.

220220031001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 220220031001 its reverse (100130022022), we get a palindrome (320350053023).

The spelling of 220220031001 in words is "two hundred twenty billion, two hundred twenty million, thirty-one thousand, one".