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2020001105 = 523107167983
BaseRepresentation
bin111100001100110…
…1100010101010001
312012202222200120202
41320121230111101
513114110013410
6532235344545
7101025504023
oct17031542521
95182880522
102020001105
11947268801
124845b2155
1326265b135
141523c4013
15bc513ca5
hex7866c551

2020001105 has 32 divisors (see below), whose sum is σ = 2570932224. Its totient is φ = 1520575936.

The previous prime is 2020001089. The next prime is 2020001117. The reversal of 2020001105 is 5011000202.

It is a cyclic number.

It is not a de Polignac number, because 2020001105 - 24 = 2020001089 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2054444 + ... + 2055426.

It is an arithmetic number, because the mean of its divisors is an integer number (80341632).

Almost surely, 22020001105 is an apocalyptic number.

It is an amenable number.

2020001105 is a deficient number, since it is larger than the sum of its proper divisors (550931119).

2020001105 is a wasteful number, since it uses less digits than its factorization.

2020001105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1285.

The product of its (nonzero) digits is 20, while the sum is 11.

The square root of 2020001105 is about 44944.4224014504. The cubic root of 2020001105 is about 1264.1070953646.

Adding to 2020001105 its reverse (5011000202), we get a palindrome (7031001307).

The spelling of 2020001105 in words is "two billion, twenty million, one thousand, one hundred five".

Divisors: 1 5 23 107 115 167 535 835 983 2461 3841 4915 12305 17869 19205 22609 89345 105181 113045 164161 410987 525905 820805 2054935 2419163 3775703 12095815 17565227 18878515 87826135 404000221 2020001105