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20122011020000 = 25541006100551
BaseRepresentation
bin1001001001101000001010…
…10100011010101011100000
32122020122102112201111222102
410210310011110122223200
510114134334310120000
6110443531345425532
74144524122414231
oct444640524325340
978218375644872
1020122011020000
11645877370625a
12230b94493b2a8
13b2c661003366
144d7ca66cb088
1524d6466793d5
hex124d0551aae0

20122011020000 has 60 divisors (see below), whose sum is σ = 49503165460056. Its totient is φ = 8048804400000.

The previous prime is 20122011019937. The next prime is 20122011020009. The reversal of 20122011020000 is 2011022102.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20122011020009) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 503030276 + ... + 503070275.

Almost surely, 220122011020000 is an apocalyptic number.

20122011020000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20122011020000 is an abundant number, since it is smaller than the sum of its proper divisors (29381154440056).

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

20122011020000 is an equidigital number, since it uses as much as digits as its factorization.

20122011020000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1006100581 (or 1006100558 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 20122011020000 its reverse (2011022102), we get a palindrome (20124022042102).

The spelling of 20122011020000 in words is "twenty trillion, one hundred twenty-two billion, eleven million, twenty thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 125 160 200 250 400 500 625 800 1000 1250 2000 2500 4000 5000 10000 20000 1006100551 2012201102 4024402204 5030502755 8048804408 10061005510 16097608816 20122011020 25152513775 32195217632 40244022040 50305027550 80488044080 100610055100 125762568875 160976088160 201220110200 251525137750 402440220400 503050275500 628812844375 804880440800 1006100551000 1257625688750 2012201102000 2515251377500 4024402204000 5030502755000 10061005510000 20122011020000