220220223320 has 16 divisors (see below), whose sum is σ = 495495502560. Its totient is φ = 88088089312.

The previous prime is 220220223281. The next prime is 220220223331. The reversal of 220220223320 is 23322022022.

It is a super-2 number, since 2×220220223320² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 220220223292 and 220220223301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2752752752 + ... + 2752752831.

It is an arithmetic number, because the mean of its divisors is an integer number (30968468910).

Almost surely, 2^220220223320 is an apocalyptic number.

220220223320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220220223320 is an abundant number, since it is smaller than the sum of its proper divisors (275275279240).

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

220220223320 is a wasteful number, since it uses less digits than its factorization.

220220223320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5505505594 (or 5505505590 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

Adding to 220220223320 its reverse (23322022022), we get a palindrome (243542245342).

The spelling of 220220223320 in words is "two hundred twenty billion, two hundred twenty million, two hundred twenty-three thousand, three hundred twenty".