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20202011850216 = 23371744971157291
BaseRepresentation
bin1001001011111101001011…
…01111010111010111101000
32122112021220221101202211010
410211332211233113113220
510121442210013201331
6110544402013103520
74153355454304260
oct445764557272750
978467827352733
1020202011850216
11648969702a069
122323350a87ba0
13b37070369011
144dbad56007a0
15250779c5de46
hex125fa5bd75e8

20202011850216 has 128 divisors (see below), whose sum is σ = 61117077519360. Its totient is φ = 5432318438400.

The previous prime is 20202011850187. The next prime is 20202011850217. The reversal of 20202011850216 is 61205811020202.

It is not an unprimeable number, because it can be changed into a prime (20202011850217) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 128358531 + ... + 128515821.

It is an arithmetic number, because the mean of its divisors is an integer number (477477168120).

Almost surely, 220202011850216 is an apocalyptic number.

It is an amenable number.

20202011850216 is an abundant number, since it is smaller than the sum of its proper divisors (40915065669144).

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

20202011850216 is a wasteful number, since it uses less digits than its factorization.

20202011850216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202295 (or 202291 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 30.

Adding to 20202011850216 its reverse (61205811020202), we get a palindrome (81407822870418).

The spelling of 20202011850216 in words is "twenty trillion, two hundred two billion, eleven million, eight hundred fifty thousand, two hundred sixteen".

Divisors: 1 2 3 4 6 7 8 12 14 17 21 24 28 34 42 51 56 68 84 102 119 136 168 204 238 357 408 476 714 952 1428 2856 44971 89942 134913 157291 179884 269826 314582 314797 359768 471873 539652 629164 629594 764507 943746 944391 1079304 1101037 1258328 1259188 1529014 1887492 1888782 2202074 2293521 2518376 2673947 3058028 3303111 3774984 3777564 4404148 4587042 5347894 5351549 6116056 6606222 7555128 8021841 8808296 9174084 10695788 10703098 13212444 16043682 16054647 18348168 18717629 21391576 21406196 26424888 32087364 32109294 37435258 42812392 56152887 64174728 64218588 74870516 112305774 128437176 149741032 224611548 449223096 7073533561 14147067122 21220600683 28294134244 42441201366 49514734927 56588268488 84882402732 99029469854 120250070537 148544204781 169764805464 198058939708 240500141074 297088409562 360750211611 396117879416 481000282148 594176819124 721500423222 841750493759 962000564296 1188353638248 1443000846444 1683500987518 2525251481277 2886001692888 3367001975036 5050502962554 6734003950072 10101005925108 20202011850216