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20432316524920 = 2352368413246461
BaseRepresentation
bin1001010010101010001001…
…11101111110100101111000
32200100022101021021102210221
410221111010331332211320
510134230341012244140
6111242250541345424
74206120564606466
oct451250475764570
980308337242727
1020432316524920
11656832a010973
12235bb05568274
13b529b3bc6a71
14508d02399836
1525675894114a
hex129544f7e978

20432316524920 has 64 divisors (see below), whose sum is σ = 47978552888640. Its totient is φ = 7816436812800.

The previous prime is 20432316524887. The next prime is 20432316524957. The reversal of 20432316524920 is 2942561323402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4670490 + ... + 7916950.

It is an arithmetic number, because the mean of its divisors is an integer number (749664888885).

Almost surely, 220432316524920 is an apocalyptic number.

20432316524920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20432316524920 is an abundant number, since it is smaller than the sum of its proper divisors (27546236363720).

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

20432316524920 is a wasteful number, since it uses less digits than its factorization.

20432316524920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3253336 (or 3253332 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 43.

The spelling of 20432316524920 in words is "twenty trillion, four hundred thirty-two billion, three hundred sixteen million, five hundred twenty-four thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 20 23 40 46 92 115 184 230 460 920 6841 13682 27364 34205 54728 68410 136820 157343 273640 314686 629372 786715 1258744 1573430 3146860 3246461 6293720 6492922 12985844 16232305 25971688 32464610 64929220 74668603 129858440 149337206 298674412 373343015 597348824 746686030 1493372060 2986744120 22209039701 44418079402 88836158804 111045198505 177672317608 222090397010 444180794020 510807913123 888361588040 1021615826246 2043231652492 2554039565615 4086463304984 5108079131230 10216158262460 20432316524920