220031302201 has 4 divisors (see below), whose sum is σ = 221508022500. Its totient is φ = 218554581904.

The previous prime is 220031302189. The next prime is 220031302217. The reversal of 220031302201 is 102203130022.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 39809826576 + 180221475625 = 199524^2 + 424525^2 .

It is a cyclic number.

It is not a de Polignac number, because 220031302201 - 2²¹ = 220029205049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220031302241) 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, 738359926 + ... + 738360223.

It is an arithmetic number, because the mean of its divisors is an integer number (55377005625).

Almost surely, 2^220031302201 is an apocalyptic number.

It is an amenable number.

220031302201 is a deficient number, since it is larger than the sum of its proper divisors (1476720299).

220031302201 is a wasteful number, since it uses less digits than its factorization.

220031302201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1476720298.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 220031302201 its reverse (102203130022), we get a palindrome (322234432223).

The spelling of 220031302201 in words is "two hundred twenty billion, thirty-one million, three hundred two thousand, two hundred one".