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2020024249 is a prime number
BaseRepresentation
bin111100001100111…
…0001111110111001
312012210000212022221
41320121301332321
513114111233444
6532240044041
7101025631345
oct17031617671
95183025287
102020024249
11947284131
12484603621
13262668829
141523cc625
15bc51aa84
hex78671fb9

2020024249 has 2 divisors, whose sum is σ = 2020024250. Its totient is φ = 2020024248.

The previous prime is 2020024247. The next prime is 2020024277. The reversal of 2020024249 is 9424200202.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2016638649 + 3385600 = 44907^2 + 1840^2 .

It is a cyclic number.

It is not a de Polignac number, because 2020024249 - 21 = 2020024247 is a prime.

Together with 2020024247, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2020024247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010012124 + 1010012125.

It is an arithmetic number, because the mean of its divisors is an integer number (1010012125).

Almost surely, 22020024249 is an apocalyptic number.

It is an amenable number.

2020024249 is a deficient number, since it is larger than the sum of its proper divisors (1).

2020024249 is an equidigital number, since it uses as much as digits as its factorization.

2020024249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 2020024249 is about 44944.6798742632. The cubic root of 2020024249 is about 1264.1119231479. Note that the first 3 decimals are identical.

The spelling of 2020024249 in words is "two billion, twenty million, twenty-four thousand, two hundred forty-nine".