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20013110002320 = 2435367722678259
BaseRepresentation
bin1001000110011101010100…
…10100000000001010010000
32121212020100001020121221020
410203032222110000022100
510110343322130033240
6110321521254555440
74133620344140661
oct443165224001220
977766301217836
1020013110002320
11641656a9458a6
1222b2812068b80
13b222c73bbb66
144d28d545d368
1524a8c0cb60d0
hex1233aa500290

20013110002320 has 80 divisors (see below), whose sum is σ = 62057516368320. Its totient is φ = 5335377690112.

The previous prime is 20013110002307. The next prime is 20013110002363. The reversal of 20013110002320 is 2320001131002.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 20013110002320.

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, 10456650 + ... + 12221609.

It is an arithmetic number, because the mean of its divisors is an integer number (775718954604).

Almost surely, 220013110002320 is an apocalyptic number.

20013110002320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20013110002320 is an abundant number, since it is smaller than the sum of its proper divisors (42044406366000).

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

20013110002320 is a wasteful number, since it uses less digits than its factorization.

20013110002320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22681952 (or 22681946 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 20013110002320 its reverse (2320001131002), we get a palindrome (22333111133322).

The spelling of 20013110002320 in words is "twenty trillion, thirteen billion, one hundred ten million, two thousand, three hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 3677 7354 11031 14708 18385 22062 29416 36770 44124 55155 58832 73540 88248 110310 147080 176496 220620 294160 441240 882480 22678259 45356518 68034777 90713036 113391295 136069554 181426072 226782590 272139108 340173885 362852144 453565180 544278216 680347770 907130360 1088556432 1360695540 1814260720 2721391080 5442782160 83387958343 166775916686 250163875029 333551833372 416939791715 500327750058 667103666744 833879583430 1000655500116 1250819375145 1334207333488 1667759166860 2001311000232 2501638750290 3335518333720 4002622000464 5003277500580 6671036667440 10006555001160 20013110002320