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1020201200 = 245219241557
BaseRepresentation
bin111100110011110…
…000100011110000
32122002200120221122
4330303300203300
54042132414300
6245122241412
734165365344
oct7463604360
92562616848
101020201200
11483971297
122457b6268
13133491065
14996c9624
155e871c85
hex3ccf08f0

1020201200 has 120 divisors (see below), whose sum is σ = 2595391920. Its totient is φ = 384307200.

The previous prime is 1020201197. The next prime is 1020201253. The reversal of 1020201200 is 21020201.

1020201200 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1831322 + ... + 1831878.

It is an arithmetic number, because the mean of its divisors is an integer number (21628266).

Almost surely, 21020201200 is an apocalyptic number.

1020201200 is a gapful number since it is divisible by the number (10) 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 1020201200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1297695960).

1020201200 is an abundant number, since it is smaller than the sum of its proper divisors (1575190720).

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

1020201200 is a wasteful number, since it uses less digits than its factorization.

1020201200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 835 (or 824 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 8.

The square root of 1020201200 is about 31940.5885982084. The cubic root of 1020201200 is about 1006.6888922966.

Adding to 1020201200 its reverse (21020201), we get a palindrome (1041221401).

The spelling of 1020201200 in words is "one billion, twenty million, two hundred one thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 19 20 25 38 40 50 76 80 95 100 152 190 200 241 304 380 400 475 482 557 760 950 964 1114 1205 1520 1900 1928 2228 2410 2785 3800 3856 4456 4579 4820 5570 6025 7600 8912 9158 9640 10583 11140 12050 13925 18316 19280 21166 22280 22895 24100 27850 36632 42332 44560 45790 48200 52915 55700 73264 84664 91580 96400 105830 111400 114475 134237 169328 183160 211660 222800 228950 264575 268474 366320 423320 457900 529150 536948 671185 846640 915800 1058300 1073896 1342370 1831600 2116600 2147792 2550503 2684740 3355925 4233200 5101006 5369480 6711850 10202012 10738960 12752515 13423700 20404024 25505030 26847400 40808048 51010060 53694800 63762575 102020120 127525150 204040240 255050300 510100600 1020201200