220221000201 has 4 divisors (see below), whose sum is σ = 293628000272. Its totient is φ = 146814000132.

The previous prime is 220221000169. The next prime is 220221000239. The reversal of 220221000201 is 102000122022.

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 not a de Polignac number, because 220221000201 - 2⁵ = 220221000169 is a prime.

It is a super-3 number, since 3×220221000201³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (220221500201) 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, 36703500031 + ... + 36703500036.

It is an arithmetic number, because the mean of its divisors is an integer number (73407000068).

Almost surely, 2^220221000201 is an apocalyptic number.

It is an amenable number.

220221000201 is a deficient number, since it is larger than the sum of its proper divisors (73407000071).

220221000201 is an equidigital number, since it uses as much as digits as its factorization.

220221000201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73407000070.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 220221000201 its reverse (102000122022), we get a palindrome (322221122223).

The spelling of 220221000201 in words is "two hundred twenty billion, two hundred twenty-one million, two hundred one", and thus it is an aban number.