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223030202220 = 223357217495821
BaseRepresentation
bin1100111110110110100…
…0101100111101101100
3210022200100200011202000
43033231220230331230
512123231212432340
6250243023132300
722053616303500
oct3175550547554
9708610604660
10223030202220
118664a809a81
1237284444090
1318054724377
14ab1a9d2300
155c0524cd30
hex33eda2cf6c

223030202220 has 288 divisors, whose sum is σ = 854638464960. Its totient is φ = 47979509760.

The previous prime is 223030202201. The next prime is 223030202267. The reversal of 223030202220 is 22202030322.

It is a super-2 number, since 2×2230302022202 (a number of 23 digits) contains 22 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 = 223030202193 and 223030202202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 201910 + ... + 697730.

It is an arithmetic number, because the mean of its divisors is an integer number (2967494670).

Almost surely, 2223030202220 is an apocalyptic number.

223030202220 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 223030202220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (427319232480).

223030202220 is an abundant number, since it is smaller than the sum of its proper divisors (631608262740).

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

223030202220 is a wasteful number, since it uses less digits than its factorization.

223030202220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495870 (or 495855 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

Adding to 223030202220 its reverse (22202030322), we get a palindrome (245232232542).

The spelling of 223030202220 in words is "two hundred twenty-three billion, thirty million, two hundred two thousand, two hundred twenty".