220231022301 has 6 divisors (see below), whose sum is σ = 318111476670. Its totient is φ = 146820681528.

The previous prime is 220231022273. The next prime is 220231022311. The reversal of 220231022301 is 103220132022.

It can be written as a sum of positive squares in only one way, i.e., 139760084025 + 80470938276 = 373845^2 + 283674^2 .

It is not a de Polignac number, because 220231022301 - 2¹⁷ = 220230891229 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220231022311) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12235056786 + ... + 12235056803.

It is an arithmetic number, because the mean of its divisors is an integer number (53018579445).

Almost surely, 2^220231022301 is an apocalyptic number.

It is an amenable number.

220231022301 is a deficient number, since it is larger than the sum of its proper divisors (97880454369).

220231022301 is a wasteful number, since it uses less digits than its factorization.

220231022301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24470113595 (or 24470113592 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 220231022301 its reverse (103220132022), we get a palindrome (323451154323).

The spelling of 220231022301 in words is "two hundred twenty billion, two hundred thirty-one million, twenty-two thousand, three hundred one".