220065520442 has 4 divisors (see below), whose sum is σ = 330098280666. Its totient is φ = 110032760220.

The previous prime is 220065520429. The next prime is 220065520459. The reversal of 220065520442 is 244025560022.

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., 133700653801 + 86364866641 = 365651^2 + 293879^2 .

It is a junction number, because it is equal to n+sod(n) for n = 220065520399 and 220065520408.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 55016380109 + ... + 55016380112.

Almost surely, 2^220065520442 is an apocalyptic number.

220065520442 is a deficient number, since it is larger than the sum of its proper divisors (110032760224).

220065520442 is a wasteful number, since it uses less digits than its factorization.

220065520442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110032760223.

The product of its (nonzero) digits is 38400, while the sum is 32.

The spelling of 220065520442 in words is "two hundred twenty billion, sixty-five million, five hundred twenty thousand, four hundred forty-two".