220102202320 has 240 divisors, whose sum is σ = 699359488128. Its totient is φ = 63325946880.

The previous prime is 220102202311. The next prime is 220102202323. The reversal of 220102202320 is 23202201022.

It is a super-2 number, since 2×220102202320² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 220102202294 and 220102202303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220102202323) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 364237 + ... + 756883.

Almost surely, 2^220102202320 is an apocalyptic number.

220102202320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220102202320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (349679744064).

220102202320 is an abundant number, since it is smaller than the sum of its proper divisors (479257285808).

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

220102202320 is a wasteful number, since it uses less digits than its factorization.

220102202320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392698 (or 392685 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 220102202320 its reverse (23202201022), we get a palindrome (243304403342).

The spelling of 220102202320 in words is "two hundred twenty billion, one hundred two million, two hundred two thousand, three hundred twenty".