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223220013020 = 22516823663437
BaseRepresentation
bin1100111111100011110…
…0110001011111011100
3210100011120211120012122
43033320330301133130
512124123310404040
6250313523322112
722061412542654
oct3177074613734
9710146746178
10223220013020
1186737972704
1237317b20338
1318084b51954
14ab37cc1364
155c16c431b5
hex33f8f317dc

223220013020 has 24 divisors (see below), whose sum is σ = 468790598304. Its totient is φ = 89282563136.

The previous prime is 223220013007. The next prime is 223220013047. The reversal of 223220013020 is 20310022322.

It is a super-3 number, since 3×2232200130203 (a number of 35 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 223220013020.

It is a congruent number.

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, 4742 + ... + 668178.

It is an arithmetic number, because the mean of its divisors is an integer number (19532941596).

Almost surely, 2223220013020 is an apocalyptic number.

223220013020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223220013020 is an abundant number, since it is smaller than the sum of its proper divisors (245570585284).

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

223220013020 is a wasteful number, since it uses less digits than its factorization.

223220013020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 680269 (or 680267 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 223220013020 its reverse (20310022322), we get a palindrome (243530035342).

The spelling of 223220013020 in words is "two hundred twenty-three billion, two hundred twenty million, thirteen thousand, twenty".

Divisors: 1 2 4 5 10 20 16823 33646 67292 84115 168230 336460 663437 1326874 2653748 3317185 6634370 13268740 11161000651 22322001302 44644002604 55805003255 111610006510 223220013020