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20123203302202 = 271113175171114343
BaseRepresentation
bin1001001001101010011000…
…11000100111001100111010
32122020202111122012201200111
410210311030120213030322
510114144310021132302
6110444245540254534
74144565510556520
oct444651430471472
978222448181614
1020123203302202
116459225720550
1223100180a144a
13b2c7c10249a0
144d7d7abac310
1524d6b618d0d7
hex124d4c62733a

20123203302202 has 128 divisors (see below), whose sum is σ = 42920515104768. Its totient is φ = 6810026572800.

The previous prime is 20123203302197. The next prime is 20123203302227. The reversal of 20123203302202 is 20220330232102.

It is a super-2 number, since 2×201232033022022 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 175932643 + ... + 176046985.

It is an arithmetic number, because the mean of its divisors is an integer number (335316524256).

Almost surely, 220123203302202 is an apocalyptic number.

20123203302202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20123203302202 is an abundant number, since it is smaller than the sum of its proper divisors (22797311802566).

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

20123203302202 is a wasteful number, since it uses less digits than its factorization.

20123203302202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119564.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 20123203302202 its reverse (20220330232102), we get a palindrome (40343533534304).

The spelling of 20123203302202 in words is "twenty trillion, one hundred twenty-three billion, two hundred three million, three hundred two thousand, two hundred two".

Divisors: 1 2 7 11 13 14 17 22 26 34 77 91 119 143 154 182 187 221 238 286 374 442 1001 1309 1547 2002 2431 2618 3094 4862 5171 10342 17017 34034 36197 56881 67223 72394 87907 113762 114343 134446 175814 228686 398167 470561 615349 739453 796334 800401 941122 966977 1142791 1230698 1257773 1478906 1486459 1600802 1933954 1943831 2285582 2515546 2972918 3887662 5176171 6768839 7999537 8804411 10352342 10405213 12570701 13537678 13606817 15999074 16351049 17608822 20810426 21382141 25141402 25269803 27213634 32702098 42764282 50539606 87994907 114457343 149674987 175989814 176888621 228914686 277967833 299349974 353777242 555935666 591267653 1182535306 1945774831 3891549662 4138873571 6503944183 7686479489 8277747142 10051550101 13007888366 15372958978 20103100202 45527609281 53805356423 70360850707 84551274379 91055218562 107610712846 110567051111 130670151313 140721701414 169102548758 221134102222 261340302626 591858920653 773969357777 914691059191 1183717841306 1437371664443 1547938715554 1829382118382 2874743328886 10061601651101 20123203302202