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2020012112 = 24193654149
BaseRepresentation
bin111100001100110…
…1111000001010000
312012210000020200102
41320121233001100
513114110341422
6532235511532
7101025551066
oct17031570120
95183006612
102020012112
11947275aa8
124845b85a8
13262663151
141523c8036
15bc517192
hex7866f050

2020012112 has 20 divisors (see below), whose sum is σ = 3934058100. Its totient is φ = 1004771328.

The previous prime is 2020012109. The next prime is 2020012123. The reversal of 2020012112 is 2112100202.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 170668096 + 1849344016 = 13064^2 + 43004^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2020012093 and 2020012102.

It is a congruent number.

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, 323987 + ... + 330162.

It is an arithmetic number, because the mean of its divisors is an integer number (196702905).

Almost surely, 22020012112 is an apocalyptic number.

It is an amenable number.

2020012112 is a deficient number, since it is larger than the sum of its proper divisors (1914045988).

2020012112 is a wasteful number, since it uses less digits than its factorization.

2020012112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 654350 (or 654344 counting only the distinct ones).

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

The square root of 2020012112 is about 44944.5448525180. The cubic root of 2020012112 is about 1264.1093914032.

Adding to 2020012112 its reverse (2112100202), we get a palindrome (4132112314).

The spelling of 2020012112 in words is "two billion, twenty million, twelve thousand, one hundred twelve".

Divisors: 1 2 4 8 16 193 386 772 1544 3088 654149 1308298 2616596 5233192 10466384 126250757 252501514 505003028 1010006056 2020012112