220200020101 has 6 divisors (see below), whose sum is σ = 221248612806. Its totient is φ = 219156373800.

The previous prime is 220200020087. The next prime is 220200020107. The reversal of 220200020101 is 101020002022.

It can be written as a sum of positive squares in only one way, i.e., 137125793025 + 83074227076 = 370305^2 + 288226^2 .

It is not a de Polignac number, because 220200020101 - 2¹¹ = 220200018053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220200020107) 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 5 ways as a sum of consecutive naturals, for example, 2428470 + ... + 2517511.

It is an arithmetic number, because the mean of its divisors is an integer number (36874768801).

Almost surely, 2^220200020101 is an apocalyptic number.

It is an amenable number.

220200020101 is a deficient number, since it is larger than the sum of its proper divisors (1048592705).

220200020101 is an frugal number, since it uses more digits than its factorization.

220200020101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4946403 (or 4946192 counting only the distinct ones).

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

Adding to 220200020101 its reverse (101020002022), we get a palindrome (321220022123).

The spelling of 220200020101 in words is "two hundred twenty billion, two hundred million, twenty thousand, one hundred one".