220120011002 has 16 divisors (see below), whose sum is σ = 331052284680. Its totient is φ = 109769318208.

The previous prime is 220120010947. The next prime is 220120011043. The reversal of 220120011002 is 200110021022.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 205688553841 + 14431457161 = 453529^2 + 120131^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10785824 + ... + 10806212.

Almost surely, 2^220120011002 is an apocalyptic number.

220120011002 is a deficient number, since it is larger than the sum of its proper divisors (110932273678).

220120011002 is a wasteful number, since it uses less digits than its factorization.

220120011002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34385.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 220120011002 its reverse (200110021022), we get a palindrome (420230032024).

The spelling of 220120011002 in words is "two hundred twenty billion, one hundred twenty million, eleven thousand, two".