220002102 has 64 divisors (see below), whose sum is σ = 531302400. Its totient is φ = 67223520.

The previous prime is 220002089. The next prime is 220002109. The reversal of 220002102 is 201200022.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220002109) 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 31 ways as a sum of consecutive naturals, for example, 28348 + ... + 35264.

It is an arithmetic number, because the mean of its divisors is an integer number (8301600).

Almost surely, 2^220002102 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220002102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (265651200).

220002102 is an abundant number, since it is smaller than the sum of its proper divisors (311300298).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

220002102 is a wasteful number, since it uses less digits than its factorization.

220002102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6978 (or 6972 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

The square root of 220002102 is about 14832.4678324276. The cubic root of 220002102 is about 603.6829963064.

Adding to 220002102 its reverse (201200022), we get a palindrome (421202124).

The spelling of 220002102 in words is "two hundred twenty million, two thousand, one hundred two".