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20536204154120 = 23531167257385877
BaseRepresentation
bin1001010101101011101010…
…01001110101010100001000
32200201020112101011210202022
410222311311021311110020
510142431121230412440
6111402111342024012
74216456166104064
oct452656511652410
980636471153668
1020536204154120
1165a839a95a366
122378079278008
13b5c72bc726c5
1450dd5987caa4
152592d9105cb5
hex12ad75275508

20536204154120 has 128 divisors (see below), whose sum is σ = 48169428572160. Its totient is φ = 7871129518080.

The previous prime is 20536204154119. The next prime is 20536204154149. The reversal of 20536204154120 is 2145140263502.

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, 53026622 + ... + 53412498.

It is an arithmetic number, because the mean of its divisors is an integer number (376323660720).

Almost surely, 220536204154120 is an apocalyptic number.

20536204154120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20536204154120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24084714286080).

20536204154120 is an abundant number, since it is smaller than the sum of its proper divisors (27633224418040).

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

20536204154120 is a wasteful number, since it uses less digits than its factorization.

20536204154120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386343 (or 386339 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 35.

The spelling of 20536204154120 in words is "twenty trillion, five hundred thirty-six billion, two hundred four million, one hundred fifty-four thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 31 40 62 124 155 167 248 257 310 334 514 620 668 835 1028 1240 1285 1336 1670 2056 2570 3340 5140 5177 6680 7967 10280 10354 15934 20708 25885 31868 39835 41416 42919 51770 63736 79670 85838 103540 159340 171676 207080 214595 318680 343352 385877 429190 771754 858380 1330489 1543508 1716760 1929385 2660978 3087016 3858770 5321956 6652445 7717540 10643912 11962187 13304890 15435080 23924374 26609780 47848748 53219560 59810935 64441459 95697496 99170389 119621870 128882918 198340778 239243740 257765836 322207295 396681556 478487480 495851945 515531672 644414590 793363112 991703890 1288829180 1983407780 1997685229 2577658360 3074282059 3966815560 3995370458 6148564118 7990740916 9988426145 12297128236 15371410295 15981481832 16561454963 19976852290 24594256472 30742820590 33122909926 39953704580 61485641180 66245819852 79907409160 82807274815 122971282360 132491639704 165614549630 331229099260 513405103853 662458198520 1026810207706 2053620415412 2567025519265 4107240830824 5134051038530 10268102077060 20536204154120