220102005 has 8 divisors (see below), whose sum is σ = 352163232. Its totient is φ = 117387728.

The previous prime is 220101989. The next prime is 220102007. The reversal of 220102005 is 500201022.

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 220102005 - 2⁴ = 220101989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220102007) 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, 7336719 + ... + 7336748.

It is an arithmetic number, because the mean of its divisors is an integer number (44020404).

Almost surely, 2^220102005 is an apocalyptic number.

It is an amenable number.

220102005 is a deficient number, since it is larger than the sum of its proper divisors (132061227).

220102005 is a wasteful number, since it uses less digits than its factorization.

220102005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14673475.

The product of its (nonzero) digits is 40, while the sum is 12.

The square root of 220102005 is about 14835.8351635491. The cubic root of 220102005 is about 603.7743600028.

Adding to 220102005 its reverse (500201022), we get a palindrome (720303027).

The spelling of 220102005 in words is "two hundred twenty million, one hundred two thousand, five".