220766075 has 12 divisors (see below), whose sum is σ = 285652848. Its totient is φ = 168933600.

The previous prime is 220766071. The next prime is 220766081. The reversal of 220766075 is 570667022.

It is a happy number.

It is not a de Polignac number, because 220766075 - 2² = 220766071 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220766071) 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 11 ways as a sum of consecutive naturals, for example, 191396 + ... + 192545.

It is an arithmetic number, because the mean of its divisors is an integer number (23804404).

Almost surely, 2^220766075 is an apocalyptic number.

220766075 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

220766075 is a deficient number, since it is larger than the sum of its proper divisors (64886773).

220766075 is a wasteful number, since it uses less digits than its factorization.

220766075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383974 (or 383969 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 35.

The square root of 220766075 is about 14858.1989150772. The cubic root of 220766075 is about 604.3809664409.

The spelling of 220766075 in words is "two hundred twenty million, seven hundred sixty-six thousand, seventy-five".