220240244242 has 4 divisors (see below), whose sum is σ = 330360366366. Its totient is φ = 110120122120.

The previous prime is 220240244233. The next prime is 220240244243. The reversal of 220240244242 is 242442042022.

220240244242 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 131871385881 + 88368858361 = 363141^2 + 297269^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 220240244242.

It is not an unprimeable number, because it can be changed into a prime (220240244243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55060061059 + ... + 55060061062.

Almost surely, 2^220240244242 is an apocalyptic number.

220240244242 is a deficient number, since it is larger than the sum of its proper divisors (110120122124).

220240244242 is a wasteful number, since it uses less digits than its factorization.

220240244242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110120122123.

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 220240244242 its reverse (242442042022), we get a palindrome (462682286264).

The spelling of 220240244242 in words is "two hundred twenty billion, two hundred forty million, two hundred forty-four thousand, two hundred forty-two".