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200212011020220 = 223543479162007421
BaseRepresentation
bin101101100001011101111101…
…110010111110111110111100
3222020220002012021202210022120
4231201131331302332332330
5202220233144310121340
61545452043401242540
760112561163254263
oct5541357562767674
9866802167683276
10200212011020220
1158880489782841
121a556519493450
138793bb0b008c4
143762454d915da
151822e91c0e4d0
hexb6177dcbefbc

200212011020220 has 96 divisors (see below), whose sum is σ = 574828254443520. Its totient is φ = 52039375422720.

The previous prime is 200212011020191. The next prime is 200212011020239. The reversal of 200212011020220 is 22020110212002.

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 200212011020220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 79767891 + ... + 82239530.

It is an arithmetic number, because the mean of its divisors is an integer number (5987794317120).

Almost surely, 2200212011020220 is an apocalyptic number.

200212011020220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200212011020220 is an abundant number, since it is smaller than the sum of its proper divisors (374616243423300).

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

200212011020220 is a wasteful number, since it uses less digits than its factorization.

200212011020220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162007955 (or 162007953 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 200212011020220 its reverse (22020110212002), we get a palindrome (222232121232222).

The spelling of 200212011020220 in words is "two hundred trillion, two hundred twelve billion, eleven million, twenty thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 43 60 86 129 172 215 258 430 479 516 645 860 958 1290 1437 1916 2395 2580 2874 4790 5748 7185 9580 14370 20597 28740 41194 61791 82388 102985 123582 205970 247164 308955 411940 617910 1235820 162007421 324014842 486022263 648029684 810037105 972044526 1620074210 1944089052 2430111315 3240148420 4860222630 6966319103 9720445260 13932638206 20898957309 27865276412 34831595515 41797914618 69663191030 77601554659 83595829236 104494786545 139326382060 155203109318 208989573090 232804663977 310406218636 388007773295 417979146180 465609327954 776015546590 931218655908 1164023319885 1552031093180 2328046639770 3336866850337 4656093279540 6673733700674 10010600551011 13347467401348 16684334251685 20021201102022 33368668503370 40042402204044 50053002755055 66737337006740 100106005510110 200212011020220