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20343053120 = 2651331157747
BaseRepresentation
bin10010111100100010…
…100101101101000000
31221111202001011122212
4102330202211231000
5313130310144440
613202342121252
71320056045525
oct227442455500
957452034585
1020343053120
11869a1399a5
123b38a20228
131bc279ab50
14dadaa514c
157e0e31465
hex4bc8a5b40

20343053120 has 112 divisors (see below), whose sum is σ = 53851381248. Its totient is φ = 7268935680.

The previous prime is 20343053047. The next prime is 20343053131. The reversal of 20343053120 is 2135034302.

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, 50087 + ... + 207833.

It is an arithmetic number, because the mean of its divisors is an integer number (480815904).

Almost surely, 220343053120 is an apocalyptic number.

20343053120 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 20343053120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26925690624).

20343053120 is an abundant number, since it is smaller than the sum of its proper divisors (33508328128).

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

20343053120 is a wasteful number, since it uses less digits than its factorization.

20343053120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157808 (or 157798 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 23.

Adding to 20343053120 its reverse (2135034302), we get a palindrome (22478087422).

The spelling of 20343053120 in words is "twenty billion, three hundred forty-three million, fifty-three thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 13 16 20 26 31 32 40 52 62 64 65 80 104 124 130 155 160 208 248 260 310 320 403 416 496 520 620 806 832 992 1040 1240 1612 1984 2015 2080 2480 3224 4030 4160 4960 6448 8060 9920 12896 16120 25792 32240 64480 128960 157747 315494 630988 788735 1261976 1577470 2050711 2523952 3154940 4101422 4890157 5047904 6309880 8202844 9780314 10095808 10253555 12619760 16405688 19560628 20507110 24450785 25239520 32811376 39121256 41014220 48901570 50479040 63572041 65622752 78242512 82028440 97803140 127144082 131245504 156485024 164056880 195606280 254288164 312970048 317860205 328113760 391212560 508576328 635720410 656227520 782425120 1017152656 1271440820 1564850240 2034305312 2542881640 4068610624 5085763280 10171526560 20343053120