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206272023020 = 22572989570853
BaseRepresentation
bin1100000000011011000…
…1010100100111101100
3201201102110012110121022
43000012301110213230
511334421114214040
6234432101153312
720621420160260
oct3000661244754
9651373173538
10206272023020
117a5301a79a8
1233b880bb838
13165b386b7bb
149dab0a00a0
155573de16b5
hex3006c549ec

206272023020 has 96 divisors (see below), whose sum is σ = 517878748800. Its totient is φ = 67515807744.

The previous prime is 206272023019. The next prime is 206272023043. The reversal of 206272023020 is 20320272602.

It is a super-3 number, since 3×2062720230203 (a number of 35 digits) contains 333 as substring.

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, 75914 + ... + 646766.

It is an arithmetic number, because the mean of its divisors is an integer number (5394570300).

Almost surely, 2206272023020 is an apocalyptic number.

206272023020 is a gapful number since it is divisible by the number (20) 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 206272023020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (258939374400).

206272023020 is an abundant number, since it is smaller than the sum of its proper divisors (311606725780).

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

206272023020 is a wasteful number, since it uses less digits than its factorization.

206272023020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570987 (or 570985 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 26.

Adding to 206272023020 its reverse (20320272602), we get a palindrome (226592295622).

The spelling of 206272023020 in words is "two hundred six billion, two hundred seventy-two million, twenty-three thousand, twenty".

Divisors: 1 2 4 5 7 10 14 20 28 29 35 58 70 89 116 140 145 178 203 290 356 406 445 580 623 812 890 1015 1246 1780 2030 2492 2581 3115 4060 5162 6230 10324 12460 12905 18067 25810 36134 51620 72268 90335 180670 361340 570853 1141706 2283412 2854265 3995971 5708530 7991942 11417060 15983884 16554737 19979855 33109474 39959710 50805917 66218948 79919420 82773685 101611834 115883159 165547370 203223668 231766318 254029585 331094740 355641419 463532636 508059170 579415795 711282838 1016118340 1158831590 1422565676 1473371593 1778207095 2317663180 2946743186 3556414190 5893486372 7112828380 7366857965 10313601151 14733715930 20627202302 29467431860 41254404604 51568005755 103136011510 206272023020