102320002218 has 32 divisors (see below), whose sum is σ = 237078055296. Its totient is φ = 28833815808.

The previous prime is 102320002193. The next prime is 102320002219. The reversal of 102320002218 is 812200023201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 102320002194 and 102320002203.

It is not an unprimeable number, because it can be changed into a prime (102320002219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16683171 + ... + 16689302.

It is an arithmetic number, because the mean of its divisors is an integer number (7408689228).

Almost surely, 2^102320002218 is an apocalyptic number.

102320002218 is an abundant number, since it is smaller than the sum of its proper divisors (134758053078).

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

102320002218 is a wasteful number, since it uses less digits than its factorization.

102320002218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33372558.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 102320002218 its reverse (812200023201), we get a palindrome (914520025419).

The spelling of 102320002218 in words is "one hundred two billion, three hundred twenty million, two thousand, two hundred eighteen".