220407127728 has 20 divisors (see below), whose sum is σ = 569385080088. Its totient is φ = 73469042560.

The previous prime is 220407127693. The next prime is 220407127813. The reversal of 220407127728 is 827721704022.

220407127728 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 220407127728.

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 3 ways as a sum of consecutive naturals, for example, 2295907533 + ... + 2295907628.

Almost surely, 2^220407127728 is an apocalyptic number.

It is an amenable number.

220407127728 is an abundant number, since it is smaller than the sum of its proper divisors (348977952360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

220407127728 is a wasteful number, since it uses less digits than its factorization.

220407127728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4591815172 (or 4591815166 counting only the distinct ones).

The product of its (nonzero) digits is 175616, while the sum is 42.

The spelling of 220407127728 in words is "two hundred twenty billion, four hundred seven million, one hundred twenty-seven thousand, seven hundred twenty-eight".