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20024242442020 = 22523985910494649
BaseRepresentation
bin1001000110110010000011…
…10110111000111100100100
32121220022001212220011021201
410203121001312320330210
510111034122031121040
6110331002053452244
74134463252255255
oct443310166707444
977808055804251
1020024242442020
116420262911593
1222b49ba341084
13b2337c8a759b
144d326db66b2c
1524ad232b6a9a
hex123641db8f24

20024242442020 has 96 divisors (see below), whose sum is σ = 42325416000000. Its totient is φ = 7957591369728.

The previous prime is 20024242441997. The next prime is 20024242442117. The reversal of 20024242442020 is 2024424242002.

It is a self number, because there is not a number n which added to its sum of digits gives 20024242442020.

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, 4307212656 + ... + 4307217304.

It is an arithmetic number, because the mean of its divisors is an integer number (440889750000).

Almost surely, 220024242442020 is an apocalyptic number.

20024242442020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20024242442020 is an abundant number, since it is smaller than the sum of its proper divisors (22301173557980).

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

20024242442020 is a wasteful number, since it uses less digits than its factorization.

20024242442020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6805 (or 6803 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 20024242442020 its reverse (2024424242002), we get a palindrome (22048666684022).

It can be divided in two parts, 2002424 and 2442020, that added together give a palindrome (4444444).

The spelling of 20024242442020 in words is "twenty trillion, twenty-four billion, two hundred forty-two million, four hundred forty-two thousand, twenty".

Divisors: 1 2 4 5 10 20 239 478 859 956 1049 1195 1718 2098 2390 3436 4196 4295 4649 4780 5245 8590 9298 10490 17180 18596 20980 23245 46490 92980 205301 250711 410602 501422 821204 901091 1002844 1026505 1111111 1253555 1802182 2053010 2222222 2507110 3604364 3993491 4106020 4444444 4505455 4876801 5014220 5555555 7986982 9010910 9753602 11111110 15973964 18021820 19507204 19967455 22222220 24384005 39934910 48768010 79869820 97536020 215360749 430721498 861442996 954444349 1076803745 1165555439 1908888698 2153607490 2331110878 3817777396 4189172059 4307214980 4662221756 4772221745 5827777195 8378344118 9544443490 11655554390 16756688236 19088886980 20945860295 23311108780 41891720590 83783441180 1001212122101 2002424244202 4004848488404 5006060610505 10012121221010 20024242442020