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220331244355140 = 223556396151105871
BaseRepresentation
bin110010000110001111011101…
…100011010111111001000100
31001220010110110020210021200210
4302012033131203113321010
5212334401342023331030
62100334435403435420
764260256430033352
oct6206173543277104
91056113406707623
10220331244355140
1164227a57462096
1220865807b25b70
1395c31bb4baa09
143c5a1367c67d2
151a714c45aabb0
hexc863dd8d7e44

220331244355140 has 96 divisors (see below), whose sum is σ = 617143031930880. Its totient is φ = 58734473904000.

The previous prime is 220331244355069. The next prime is 220331244355151. The reversal of 220331244355140 is 41553442133022.

It is a happy number.

It is a super-2 number, since 2×2203312443551402 (a number of 29 digits) contains 22 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, 2081076405 + ... + 2081182275.

It is an arithmetic number, because the mean of its divisors is an integer number (6428573249280).

Almost surely, 2220331244355140 is an apocalyptic number.

220331244355140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220331244355140 is an abundant number, since it is smaller than the sum of its proper divisors (396811787575740).

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

220331244355140 is a wasteful number, since it uses less digits than its factorization.

220331244355140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117673 (or 117671 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 39.

Adding to 220331244355140 its reverse (41553442133022), we get a palindrome (261884686488162).

The spelling of 220331244355140 in words is "two hundred twenty trillion, three hundred thirty-one billion, two hundred forty-four million, three hundred fifty-five thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 5639 6151 11278 12302 16917 18453 22556 24604 28195 30755 33834 36906 56390 61510 67668 73812 84585 92265 105871 112780 123020 169170 184530 211742 317613 338340 369060 423484 529355 635226 1058710 1270452 1588065 2117420 3176130 6352260 34685489 69370978 104056467 138741956 173427445 208112934 346854890 416225868 520282335 597006569 651212521 693709780 1040564670 1194013138 1302425042 1791019707 1953637563 2081129340 2388026276 2604850084 2985032845 3256062605 3582039414 3907275126 5970065690 6512125210 7164078828 7814550252 8955098535 9768187815 11940131380 13024250420 17910197070 19536375630 35820394140 39072751260 3672187405919 7344374811838 11016562217757 14688749623676 18360937029595 22033124435514 36721874059190 44066248871028 55082811088785 73443748118380 110165622177570 220331244355140