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2020204429 is a prime number
BaseRepresentation
bin111100001101001…
…1101111110001101
312012210101000111021
41320122131332031
513114133020204
6532243554141
7101030311555
oct17032357615
95183330437
102020204429
11947397541
1248468b951
132626cc849
14152438165
15bc554154
hex7869df8d

2020204429 has 2 divisors, whose sum is σ = 2020204430. Its totient is φ = 2020204428.

The previous prime is 2020204423. The next prime is 2020204463. The reversal of 2020204429 is 9244020202.

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., 1505595204 + 514609225 = 38802^2 + 22685^2 .

It is a cyclic number.

It is not a de Polignac number, because 2020204429 - 23 = 2020204421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2020204421) 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, 1010102214 + 1010102215.

It is an arithmetic number, because the mean of its divisors is an integer number (1010102215).

Almost surely, 22020204429 is an apocalyptic number.

It is an amenable number.

2020204429 is a deficient number, since it is larger than the sum of its proper divisors (1).

2020204429 is an equidigital number, since it uses as much as digits as its factorization.

2020204429 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 2020204429 is about 44946.6842937274. The cubic root of 2020204429 is about 1264.1495070060.

The spelling of 2020204429 in words is "two billion, twenty million, two hundred four thousand, four hundred twenty-nine".