220020102 has 24 divisors (see below), whose sum is σ = 483243384. Its totient is φ = 72334944.

The previous prime is 220020091. The next prime is 220020149. The reversal of 220020102 is 201020022.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 82408 + ... + 85035.

It is an arithmetic number, because the mean of its divisors is an integer number (20135141).

Almost surely, 2^220020102 is an apocalyptic number.

220020102 is an abundant number, since it is smaller than the sum of its proper divisors (263223282).

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

220020102 is a wasteful number, since it uses less digits than its factorization.

220020102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167524 (or 167521 counting only the distinct ones).

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

The square root of 220020102 is about 14833.0745969944. The cubic root of 220020102 is about 603.6994597818.

Adding to 220020102 its reverse (201020022), we get a palindrome (421040124).

The spelling of 220020102 in words is "two hundred twenty million, twenty thousand, one hundred two".