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2010112010020 = 225100505600501
BaseRepresentation
bin11101010000000100000…
…000110010011100100100
321010011110011101011221201
4131100010000302130210
5230413202133310040
64135233244252244
7265140310112602
oct35200400623444
97104404334851
102010112010020
1170553590a664
122856a6541084
1311772550ba5a
146d40b84c872
153744ab13a9a
hex1d404032724

2010112010020 has 12 divisors (see below), whose sum is σ = 4221235221084. Its totient is φ = 804044804000.

The previous prime is 2010112010003. The next prime is 2010112010057. The reversal of 2010112010020 is 200102110102.

It can be written as a sum of positive squares in 2 ways, for example, as 1308260139264 + 701851870756 = 1143792^2 + 837766^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 2010112009979 and 2010112010006.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50252800231 + ... + 50252800270.

It is an arithmetic number, because the mean of its divisors is an integer number (351769601757).

Almost surely, 22010112010020 is an apocalyptic number.

2010112010020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2010112010020 is an abundant number, since it is smaller than the sum of its proper divisors (2211123211064).

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

2010112010020 is a wasteful number, since it uses less digits than its factorization.

2010112010020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100505600510 (or 100505600508 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 2010112010020 its reverse (200102110102), we get a palindrome (2210214120122).

The spelling of 2010112010020 in words is "two trillion, ten billion, one hundred twelve million, ten thousand, twenty".

Divisors: 1 2 4 5 10 20 100505600501 201011201002 402022402004 502528002505 1005056005010 2010112010020