220365101 has 24 divisors (see below), whose sum is σ = 258233664. Its totient is φ = 186439680.

The previous prime is 220365091. The next prime is 220365107. The reversal of 220365101 is 101563022.

220365101 = T₃₆₃₈ + T₃₆₃₉ + ... + T₃₆₇₀.

It is a de Polignac number, because none of the positive numbers 2^k-220365101 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220365107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 327101 + ... + 327773.

It is an arithmetic number, because the mean of its divisors is an integer number (10759736).

Almost surely, 2^220365101 is an apocalyptic number.

It is an amenable number.

220365101 is a deficient number, since it is larger than the sum of its proper divisors (37868563).

220365101 is a wasteful number, since it uses less digits than its factorization.

220365101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 821 (or 804 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 220365101 is about 14844.6994243737. The cubic root of 220365101 is about 604.0148354250.

The spelling of 220365101 in words is "two hundred twenty million, three hundred sixty-five thousand, one hundred one".