220102320 has 40 divisors (see below), whose sum is σ = 682317936. Its totient is φ = 58693888.

The previous prime is 220102313. The next prime is 220102339. The reversal of 220102320 is 23201022.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 220102296 and 220102305.

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, 458307 + ... + 458786.

Almost surely, 2^220102320 is an apocalyptic number.

220102320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220102320 is an abundant number, since it is smaller than the sum of its proper divisors (462215616).

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

220102320 is a wasteful number, since it uses less digits than its factorization.

220102320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 917109 (or 917103 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 220102320 is about 14835.8457797323. The cubic root of 220102320 is about 603.7746480342.

Adding to 220102320 its reverse (23201022), we get a palindrome (243303342).

The spelling of 220102320 in words is "two hundred twenty million, one hundred two thousand, three hundred twenty".