223213100220 has 192 divisors, whose sum is σ = 760595028480. Its totient is φ = 53896320000.

The previous prime is 223213100219. The next prime is 223213100221. The reversal of 223213100220 is 22001312322.

223213100220 is a `hidden beast` number, since 22 + 321 + 3 + 100 + 220 = 666.

It is an interprime number because it is at equal distance from previous prime (223213100219) and next prime (223213100221).

It is a super-3 number, since 3×223213100220³ (a number of 35 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 223213100193 and 223213100202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223213100221) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1416084 + ... + 1565796.

It is an arithmetic number, because the mean of its divisors is an integer number (3961432440).

Almost surely, 2^223213100220 is an apocalyptic number.

223213100220 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 223213100220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (380297514240).

223213100220 is an abundant number, since it is smaller than the sum of its proper divisors (537381928260).

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

223213100220 is a wasteful number, since it uses less digits than its factorization.

223213100220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149993 (or 149985 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 223213100220 its reverse (22001312322), we get a palindrome (245214412542).

The spelling of 223213100220 in words is "two hundred twenty-three billion, two hundred thirteen million, one hundred thousand, two hundred twenty".