220242402231 has 8 divisors (see below), whose sum is σ = 294543717504. Its totient is φ = 146384677560.

The previous prime is 220242402227. The next prime is 220242402253. The reversal of 220242402231 is 132204242022.

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

It is not a de Polignac number, because 220242402231 - 2² = 220242402227 is a prime.

It is a super-2 number, since 2×220242402231² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220242502231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110896491 + ... + 110898476.

It is an arithmetic number, because the mean of its divisors is an integer number (36817964688).

Almost surely, 2^220242402231 is an apocalyptic number.

220242402231 is a deficient number, since it is larger than the sum of its proper divisors (74301315273).

220242402231 is a wasteful number, since it uses less digits than its factorization.

220242402231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221795301.

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 220242402231 its reverse (132204242022), we get a palindrome (352446644253).

The spelling of 220242402231 in words is "two hundred twenty billion, two hundred forty-two million, four hundred two thousand, two hundred thirty-one".