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20120020012000 = 25535030005003
BaseRepresentation
bin1001001001100100011101…
…01001010100101111100000
32122020110021210021211110101
410210302032221110233200
510114121300110341000
6110443002023312144
74144423565213206
oct444621651245740
978213253254411
1020120020012000
1164579418504a7
12230b489bab654
13b2c404686b0c
144d7b580d3076
1524d57b990e6a
hex124c8ea54be0

20120020012000 has 48 divisors (see below), whose sum is σ = 49434889179312. Its totient is φ = 8048008003200.

The previous prime is 20120020011967. The next prime is 20120020012021. The reversal of 20120020012000 is 21002002102.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2514998502 + ... + 2515006501.

It is an arithmetic number, because the mean of its divisors is an integer number (1029893524569).

Almost surely, 220120020012000 is an apocalyptic number.

20120020012000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20120020012000 is an abundant number, since it is smaller than the sum of its proper divisors (29314869167312).

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

20120020012000 is an equidigital number, since it uses as much as digits as its factorization.

20120020012000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5030005028 (or 5030005010 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 20120020012000 its reverse (21002002102), we get a palindrome (20141022014102).

The spelling of 20120020012000 in words is "twenty trillion, one hundred twenty billion, twenty million, twelve thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 125 160 200 250 400 500 800 1000 2000 4000 5030005003 10060010006 20120020012 25150025015 40240040024 50300050030 80480080048 100600100060 125750125075 160960160096 201200200120 251500250150 402400400240 503000500300 628750625375 804800800480 1006001000600 1257501250750 2012002001200 2515002501500 4024004002400 5030005003000 10060010006000 20120020012000