220728102767011 has 16 divisors (see below), whose sum is σ = 260400336537600. Its totient is φ = 183090884322240.

The previous prime is 220728102766933. The next prime is 220728102767021. The reversal of 220728102767011 is 110767201827022.

It is a cyclic number.

It is not a de Polignac number, because 220728102767011 - 2⁹ = 220728102766499 is a prime.

It is a super-2 number, since 2×220728102767011² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (220728102767021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21725775 + ... + 30223591.

It is an arithmetic number, because the mean of its divisors is an integer number (16275021033600).

Almost surely, 2^{220728102767011} is an apocalyptic number.

220728102767011 is a deficient number, since it is larger than the sum of its proper divisors (39672233770589).

220728102767011 is a wasteful number, since it uses less digits than its factorization.

220728102767011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8617554.

The product of its (nonzero) digits is 263424, while the sum is 46.

The spelling of 220728102767011 in words is "two hundred twenty trillion, seven hundred twenty-eight billion, one hundred two million, seven hundred sixty-seven thousand, eleven".