220242254133442 has 4 divisors (see below), whose sum is σ = 330363381200166. Its totient is φ = 110121127066720.

The previous prime is 220242254133431. The next prime is 220242254133599. The reversal of 220242254133442 is 244331452242022.

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., 195668927925241 + 24573326208201 = 13988171^2 + 4957149^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 220242254133395 and 220242254133404.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55060563533359 + ... + 55060563533362.

Almost surely, 2^{220242254133442} is an apocalyptic number.

220242254133442 is a deficient number, since it is larger than the sum of its proper divisors (110121127066724).

220242254133442 is a wasteful number, since it uses less digits than its factorization.

220242254133442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110121127066723.

The product of its (nonzero) digits is 737280, while the sum is 40.

The spelling of 220242254133442 in words is "two hundred twenty trillion, two hundred forty-two billion, two hundred fifty-four million, one hundred thirty-three thousand, four hundred forty-two".