220220200022201 has 4 divisors (see below), whose sum is σ = 227324077442304. Its totient is φ = 213116322602100.

The previous prime is 220220200022197. The next prime is 220220200022209. The reversal of 220220200022201 is 102220002022022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 220220200022201 - 2² = 220220200022197 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 220220200022201.

It is not an unprimeable number, because it can be changed into a prime (220220200022209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3551938710005 + ... + 3551938710066.

It is an arithmetic number, because the mean of its divisors is an integer number (56831019360576).

Almost surely, 2^{220220200022201} is an apocalyptic number.

It is an amenable number.

220220200022201 is a deficient number, since it is larger than the sum of its proper divisors (7103877420103).

220220200022201 is an equidigital number, since it uses as much as digits as its factorization.

220220200022201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7103877420102.

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 220220200022201 its reverse (102220002022022), we get a palindrome (322440202044223).

The spelling of 220220200022201 in words is "two hundred twenty trillion, two hundred twenty billion, two hundred million, twenty-two thousand, two hundred one".