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2112020010020 = 225739993114389
BaseRepresentation
bin11110101110111110001…
…100111101010000100100
321110220111022020222011002
4132232332030331100210
5234100404110310040
64254125410332432
7305405552610404
oct36567614752044
97426438228132
102112020010020
11744780265368
122a13a728a118
131242163c347b
147431805a804
1539e125dba15
hex1ebbe33d424

2112020010020 has 48 divisors (see below), whose sum is σ = 4441999598400. Its totient is φ = 843521247360.

The previous prime is 2112020010019. The next prime is 2112020010029. The reversal of 2112020010020 is 200100202112.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2112020009983 and 2112020010010.

It is not an unprimeable number, because it can be changed into a prime (2112020010029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 146772986 + ... + 146787374.

It is an arithmetic number, because the mean of its divisors is an integer number (92541658300).

Almost surely, 22112020010020 is an apocalyptic number.

2112020010020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2112020010020 is an abundant number, since it is smaller than the sum of its proper divisors (2329979588380).

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

2112020010020 is a wasteful number, since it uses less digits than its factorization.

2112020010020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25068 (or 25066 counting only the distinct ones).

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

Adding to 2112020010020 its reverse (200100202112), we get a palindrome (2312120212132).

The spelling of 2112020010020 in words is "two trillion, one hundred twelve billion, twenty million, ten thousand, twenty".

Divisors: 1 2 4 5 10 20 739 1478 2956 3695 7390 9931 14389 14780 19862 28778 39724 49655 57556 71945 99310 143890 198620 287780 7339009 10633471 14678018 21266942 29356036 36695045 42533884 53167355 73390090 106334710 142897159 146780180 212669420 285794318 571588636 714485795 1428971590 2857943180 105601000501 211202001002 422404002004 528005002505 1056010005010 2112020010020