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20332231013220 = 22357396231221767
BaseRepresentation
bin1001001111101111101110…
…11010000011001101100100
32122222202001010201122120020
410213313313122003031210
510131110402114410340
6111124255321435140
74165645432030650
oct447676732031544
978882033648506
1020332231013220
11652993a38a645
12234463303bab0
13b464237772a9
14504129c39a60
15253d4be649d0
hex127df7683364

20332231013220 has 96 divisors (see below), whose sum is σ = 65064834551808. Its totient is φ = 4647245995392.

The previous prime is 20332231013201. The next prime is 20332231013243. The reversal of 20332231013220 is 2231013223302.

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, 16030777 + ... + 17252543.

It is an arithmetic number, because the mean of its divisors is an integer number (677758693248).

Almost surely, 220332231013220 is an apocalyptic number.

20332231013220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20332231013220 is an abundant number, since it is smaller than the sum of its proper divisors (44732603538588).

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

20332231013220 is a wasteful number, since it uses less digits than its factorization.

20332231013220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1261409 (or 1261407 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 20332231013220 its reverse (2231013223302), we get a palindrome (22563244236522).

The spelling of 20332231013220 in words is "twenty trillion, three hundred thirty-two billion, two hundred thirty-one million, thirteen thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 140 210 420 39623 79246 118869 158492 198115 237738 277361 396230 475476 554722 594345 792460 832083 1109444 1188690 1221767 1386805 1664166 2377380 2443534 2773610 3328332 3665301 4160415 4887068 5547220 6108835 7330602 8320830 8552369 12217670 14661204 16641660 17104738 18326505 24435340 25657107 34209476 36653010 42761845 51314214 73306020 85523690 102628428 128285535 171047380 256571070 513142140 48410073841 96820147682 145230221523 193640295364 242050369205 290460443046 338870516887 484100738410 580920886092 677741033774 726151107615 968201476820 1016611550661 1355482067548 1452302215230 1694352584435 2033223101322 2904604430460 3388705168870 4066446202644 5083057753305 6777410337740 10166115506610 20332231013220