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220210323020 = 22521194755103
BaseRepresentation
bin1100110100010110001…
…1101101111001001100
3210001101211120110200122
43031011203231321030
512101442320314040
6245055131244112
721624005601362
oct3150543557114
9701354513618
10220210323020
1185432a93aa6
1236817ba9638
13179c54569ac
14a9302b5632
155adc8d81b5
hex33458ede4c

220210323020 has 48 divisors (see below), whose sum is σ = 465132423168. Its totient is φ = 87572506560.

The previous prime is 220210323007. The next prime is 220210323041. The reversal of 220210323020 is 20323012022.

It is a self number, because there is not a number n which added to its sum of digits gives 220210323020.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3968789 + ... + 4023891.

It is an arithmetic number, because the mean of its divisors is an integer number (9690258816).

Almost surely, 2220210323020 is an apocalyptic number.

220210323020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220210323020 is an abundant number, since it is smaller than the sum of its proper divisors (244922100148).

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

220210323020 is a wasteful number, since it uses less digits than its factorization.

220210323020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56270 (or 56268 counting only the distinct ones).

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

Adding to 220210323020 its reverse (20323012022), we get a palindrome (240533335042).

The spelling of 220210323020 in words is "two hundred twenty billion, two hundred ten million, three hundred twenty-three thousand, twenty".

Divisors: 1 2 4 5 10 20 211 422 844 947 1055 1894 2110 3788 4220 4735 9470 18940 55103 110206 199817 220412 275515 399634 551030 799268 999085 1102060 1998170 3996340 11626733 23253466 46506932 52182541 58133665 104365082 116267330 208730164 232534660 260912705 521825410 1043650820 11010516151 22021032302 44042064604 55052580755 110105161510 220210323020