220131130201 has 4 divisors (see below), whose sum is σ = 220132091572. Its totient is φ = 220130168832.

The previous prime is 220131130189. The next prime is 220131130207. The reversal of 220131130201 is 102031131022.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 208231592976 + 11899537225 = 456324^2 + 109085^2 .

It is a cyclic number.

It is not a de Polignac number, because 220131130201 - 2¹³ = 220131122009 is a prime.

It is a super-2 number, since 2×220131130201² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220131130207) 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, 83545 + ... + 668761.

It is an arithmetic number, because the mean of its divisors is an integer number (55033022893).

Almost surely, 2^220131130201 is an apocalyptic number.

It is an amenable number.

220131130201 is a deficient number, since it is larger than the sum of its proper divisors (961371).

220131130201 is an equidigital number, since it uses as much as digits as its factorization.

220131130201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 961370.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 220131130201 its reverse (102031131022), we get a palindrome (322162261223).

The spelling of 220131130201 in words is "two hundred twenty billion, one hundred thirty-one million, one hundred thirty thousand, two hundred one".