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2020020442 = 211132769193
BaseRepresentation
bin111100001100111…
…0001000011011010
312012210000200002221
41320121301003122
513114111123232
6532240014254
7101025614266
oct17031610332
95183020087
102020020442
11947281290
1248460138a
13262666b8b
141523cb0a6
15bc519897
hex786710da

2020020442 has 16 divisors (see below), whose sum is σ = 3308026752. Its totient is φ = 917485920.

The previous prime is 2020020421. The next prime is 2020020479. The reversal of 2020020442 is 2440200202.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5403 + ... + 63790.

It is an arithmetic number, because the mean of its divisors is an integer number (206751672).

Almost surely, 22020020442 is an apocalyptic number.

2020020442 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2020020442 is a deficient number, since it is larger than the sum of its proper divisors (1288006310).

2020020442 is a wasteful number, since it uses less digits than its factorization.

2020020442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70533.

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 2020020442 is about 44944.6375221783. The cubic root of 2020020442 is about 1264.1111290193. Note that the first 4 decimals are identical.

Adding to 2020020442 its reverse (2440200202), we get a palindrome (4460220644).

The spelling of 2020020442 in words is "two billion, twenty million, twenty thousand, four hundred forty-two".

Divisors: 1 2 11 22 1327 2654 14597 29194 69193 138386 761123 1522246 91819111 183638222 1010010221 2020020442