220220420302231 has 8 divisors (see below), whose sum is σ = 221963933361600. Its totient is φ = 218483757982560.

The previous prime is 220220420302217. The next prime is 220220420302271. The reversal of 220220420302231 is 132203024022022.

220220420302231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 220220420302231 - 2⁴⁵ = 185036048213399 is a prime.

It is a super-2 number, since 2×220220420302231² (a number of 29 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 = 220220420302196 and 220220420302205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220220420302271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1712620380 + ... + 1712748961.

It is an arithmetic number, because the mean of its divisors is an integer number (27745491670200).

Almost surely, 2^{220220420302231} is an apocalyptic number.

220220420302231 is a deficient number, since it is larger than the sum of its proper divisors (1743513059369).

220220420302231 is a wasteful number, since it uses less digits than its factorization.

220220420302231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3425369849.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 220220420302231 its reverse (132203024022022), we get a palindrome (352423444324253).

The spelling of 220220420302231 in words is "two hundred twenty trillion, two hundred twenty billion, four hundred twenty million, three hundred two thousand, two hundred thirty-one".