220433220131 has 4 divisors (see below), whose sum is σ = 220646612472. Its totient is φ = 220219827792.

The previous prime is 220433220067. The next prime is 220433220143. The reversal of 220433220131 is 131022334022.

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

It is a cyclic number.

It is not a de Polignac number, because 220433220131 - 2⁶ = 220433220067 is a prime.

It is a super-2 number, since 2×220433220131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220433220097 and 220433220106.

It is not an unprimeable number, because it can be changed into a prime (220433220181) 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, 106694621 + ... + 106696686.

It is an arithmetic number, because the mean of its divisors is an integer number (55161653118).

Almost surely, 2^220433220131 is an apocalyptic number.

220433220131 is a deficient number, since it is larger than the sum of its proper divisors (213392341).

220433220131 is a wasteful number, since it uses less digits than its factorization.

220433220131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213392340.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 220433220131 its reverse (131022334022), we get a palindrome (351455554153).

The spelling of 220433220131 in words is "two hundred twenty billion, four hundred thirty-three million, two hundred twenty thousand, one hundred thirty-one".