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200212220220 = 223523145081319
BaseRepresentation
bin1011101001110110010…
…1000000100100111100
3201010210010121120220120
42322131211000210330
511240013312021340
6231550510414540
720315305535565
oct2723545004474
9633703546816
10200212220220
1177a00640411
1232976801450
1315b5929477c
14999436516c
15531bde44d0
hex2e9d94093c

200212220220 has 48 divisors (see below), whose sum is σ = 584967882240. Its totient is φ = 51068623936.

The previous prime is 200212220209. The next prime is 200212220249. The reversal of 200212220220 is 22022212002.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 200212220220.

It is a congruent number.

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, 72539280 + ... + 72542039.

It is an arithmetic number, because the mean of its divisors is an integer number (12186830880).

Almost surely, 2200212220220 is an apocalyptic number.

200212220220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200212220220 is an abundant number, since it is smaller than the sum of its proper divisors (384755662020).

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

200212220220 is a wasteful number, since it uses less digits than its factorization.

200212220220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145081354 (or 145081352 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 200212220220 its reverse (22022212002), we get a palindrome (222234432222).

The spelling of 200212220220 in words is "two hundred billion, two hundred twelve million, two hundred twenty thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 23 30 46 60 69 92 115 138 230 276 345 460 690 1380 145081319 290162638 435243957 580325276 725406595 870487914 1450813190 1740975828 2176219785 2901626380 3336870337 4352439570 6673740674 8704879140 10010611011 13347481348 16684351685 20021222022 33368703370 40042444044 50053055055 66737406740 100106110110 200212220220