220695077192 has 60 divisors (see below), whose sum is σ = 431733187305. Its totient is φ = 105762707424.

The previous prime is 220695077191. The next prime is 220695077221. The reversal of 220695077192 is 291770596022.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 178055305156 + 42639772036 = 421966^2 + 206494^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=332186.

It is a self number, because there is not a number n which added to its sum of digits gives 220695077192.

It is not an unprimeable number, because it can be changed into a prime (220695077191) by changing a digit.

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 14 ways as a sum of consecutive naturals, for example, 3293956343 + ... + 3293956409.

Almost surely, 2^220695077192 is an apocalyptic number.

It is an amenable number.

220695077192 is a deficient number, since it is larger than the sum of its proper divisors (211038110113).

220695077192 is an frugal number, since it uses more digits than its factorization.

220695077192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348 (or 106 counting only the distinct ones).

The product of its (nonzero) digits is 952560, while the sum is 50.

Multiplying 220695077192 by its sum of digits (50), we get a square (11034753859600 = 3321860²).

The spelling of 220695077192 in words is "two hundred twenty billion, six hundred ninety-five million, seventy-seven thousand, one hundred ninety-two".