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220131203033320 = 23529414628494597
BaseRepresentation
bin110010000011010101001010…
…001010010010100011101000
31001212102100010000202020022121
4302003111022022102203220
5212323112200434031240
62100102513440001024
764236645264614515
oct6203251212224350
91055370100666277
10220131203033320
1164160134338227
1220832a9a600174
1395aa38b761477
143c5059b02a30c
151a6b1b76c304a
hexc8354a2928e8

220131203033320 has 64 divisors (see below), whose sum is σ = 524871287413200. Its totient is φ = 82942623160320.

The previous prime is 220131203033281. The next prime is 220131203033333. The reversal of 220131203033320 is 23330302131022.

It can be written as a sum of positive squares in 8 ways, for example, as 21116249038564 + 199014953994756 = 4595242^2 + 14107266^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2314199739 + ... + 2314294858.

Almost surely, 2220131203033320 is an apocalyptic number.

220131203033320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220131203033320 is an abundant number, since it is smaller than the sum of its proper divisors (304740084379880).

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

220131203033320 is a wasteful number, since it uses less digits than its factorization.

220131203033320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4628494678 (or 4628494674 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 220131203033320 its reverse (23330302131022), we get a palindrome (243461505164342).

The spelling of 220131203033320 in words is "two hundred twenty trillion, one hundred thirty-one billion, two hundred three million, thirty-three thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 29 40 41 58 82 116 145 164 205 232 290 328 410 580 820 1160 1189 1640 2378 4756 5945 9512 11890 23780 47560 4628494597 9256989194 18513978388 23142472985 37027956776 46284945970 92569891940 134226343313 185139783880 189768278477 268452686626 379536556954 536905373252 671131716565 759073113908 948841392385 1073810746504 1342263433130 1518146227816 1897682784770 2684526866260 3795365569540 5369053732520 5503280075833 7590731139080 11006560151666 22013120303332 27516400379165 44026240606664 55032800758330 110065601516660 220131203033320