105220205 has 8 divisors (see below), whose sum is σ = 126379104. Its totient is φ = 84099600.

The previous prime is 105220201. The next prime is 105220243. The reversal of 105220205 is 502022501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 105220205 - 2² = 105220201 is a prime.

It is a super-2 number, since 2×105220205² = 22142583080484050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105220201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3131 + ... + 14840.

It is an arithmetic number, because the mean of its divisors is an integer number (15797388).

Almost surely, 2^105220205 is an apocalyptic number.

It is an amenable number.

105220205 is a deficient number, since it is larger than the sum of its proper divisors (21158899).

105220205 is a wasteful number, since it uses less digits than its factorization.

105220205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19147.

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 105220205 is about 10257.6900421099. The cubic root of 105220205 is about 472.0989645139.

Adding to 105220205 its reverse (502022501), we get a palindrome (607242706).

The spelling of 105220205 in words is "one hundred five million, two hundred twenty thousand, two hundred five".