220628328442382 has 32 divisors (see below), whose sum is σ = 395127017574912. Its totient is φ = 90337880549664.

The previous prime is 220628328442339. The next prime is 220628328442391. The reversal of 220628328442382 is 283244823826022.

It is a happy number.

It is a super-2 number, since 2×220628328442382² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 401355548 + ... + 401904879.

It is an arithmetic number, because the mean of its divisors is an integer number (12347719299216).

Almost surely, 2^{220628328442382} is an apocalyptic number.

220628328442382 is a deficient number, since it is larger than the sum of its proper divisors (174498689132530).

220628328442382 is a wasteful number, since it uses less digits than its factorization.

220628328442382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 803261312.

The product of its (nonzero) digits is 28311552, while the sum is 56.

The spelling of 220628328442382 in words is "two hundred twenty trillion, six hundred twenty-eight billion, three hundred twenty-eight million, four hundred forty-two thousand, three hundred eighty-two".