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20103124301220 = 22352811192356127
BaseRepresentation
bin1001001001000100111111…
…00101010011010110100100
32122011211200022000210110110
410210202133211103112210
510113332144310114340
6110431125305453020
74143255106100202
oct444423745232644
978154608023413
1020103124301220
116450761642964
1223081537a1170
13b2a94117960c
144d6dd4200072
1524cddd519680
hex12489f9535a4

20103124301220 has 48 divisors (see below), whose sum is σ = 56489063920128. Its totient is φ = 5341755444480.

The previous prime is 20103124301207. The next prime is 20103124301233. The reversal of 20103124301220 is 2210342130102.

It is an interprime number because it is at equal distance from previous prime (20103124301207) and next prime (20103124301233).

It is a super-2 number, since 2×201031243012202 (a number of 27 digits) contains 22 as substring.

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, 596161204 + ... + 596194923.

It is an arithmetic number, because the mean of its divisors is an integer number (1176855498336).

Almost surely, 220103124301220 is an apocalyptic number.

20103124301220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20103124301220 is an abundant number, since it is smaller than the sum of its proper divisors (36385939618908).

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

20103124301220 is a wasteful number, since it uses less digits than its factorization.

20103124301220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1192356420 (or 1192356418 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 20103124301220 its reverse (2210342130102), we get a palindrome (22313466431322).

The spelling of 20103124301220 in words is "twenty trillion, one hundred three billion, one hundred twenty-four million, three hundred one thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 281 562 843 1124 1405 1686 2810 3372 4215 5620 8430 16860 1192356127 2384712254 3577068381 4769424508 5961780635 7154136762 11923561270 14308273524 17885341905 23847122540 35770683810 71541367620 335052071687 670104143374 1005156215061 1340208286748 1675260358435 2010312430122 3350520716870 4020624860244 5025781075305 6701041433740 10051562150610 20103124301220