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2020022115 = 35294643729
BaseRepresentation
bin111100001100111…
…0001011101100011
312012210000202101220
41320121301131203
513114111201430
6532240030123
7101025622206
oct17031613543
95183022356
102020022115
11947282571
12484602343
13262667877
141523cb93d
15bc51a110
hex78671763

2020022115 has 16 divisors (see below), whose sum is σ = 3343485600. Its totient is φ = 1040195072.

The previous prime is 2020022111. The next prime is 2020022143. The reversal of 2020022115 is 5112200202.

It is a cyclic number.

It is not a de Polignac number, because 2020022115 - 22 = 2020022111 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a junction number, because it is equal to n+sod(n) for n = 2020022094 and 2020022103.

It is not an unprimeable number, because it can be changed into a prime (2020022111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2321430 + ... + 2322299.

It is an arithmetic number, because the mean of its divisors is an integer number (208967850).

Almost surely, 22020022115 is an apocalyptic number.

2020022115 is a deficient number, since it is larger than the sum of its proper divisors (1323463485).

2020022115 is a wasteful number, since it uses less digits than its factorization.

2020022115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4643766.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 2020022115 is about 44944.6561339610. The cubic root of 2020022115 is about 1264.1114780021. Note that the first 3 decimals are identical.

Adding to 2020022115 its reverse (5112200202), we get a palindrome (7132222317).

The spelling of 2020022115 in words is "two billion, twenty million, twenty-two thousand, one hundred fifteen".

Divisors: 1 3 5 15 29 87 145 435 4643729 13931187 23218645 69655935 134668141 404004423 673340705 2020022115