220202005 has 8 divisors (see below), whose sum is σ = 264910392. Its totient is φ = 175716288.

The previous prime is 220201991. The next prime is 220202051. The reversal of 220202005 is 500202022.

It can be written as a sum of positive squares in 4 ways, for example, as 154449 + 220047556 = 393^2 + 14834^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 220202005 - 2⁵ = 220201973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53482 + ... + 57451.

It is an arithmetic number, because the mean of its divisors is an integer number (33113799).

Almost surely, 2^220202005 is an apocalyptic number.

It is an amenable number.

220202005 is a deficient number, since it is larger than the sum of its proper divisors (44708387).

220202005 is a wasteful number, since it uses less digits than its factorization.

220202005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111335.

The product of its (nonzero) digits is 80, while the sum is 13.

The square root of 220202005 is about 14839.2049989209. The cubic root of 220202005 is about 603.8657847257.

Adding to 220202005 its reverse (500202022), we get a palindrome (720404027).

It can be divided in two parts, 22020 and 2005, that added together give a square (24025 = 155²).

The spelling of 220202005 in words is "two hundred twenty million, two hundred two thousand, five".