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2020231 is a prime number
BaseRepresentation
bin111101101001110000111
310210122020101
413231032013
51004121411
6111144531
723112613
oct7551607
93718211
102020231
11115a914
12815147
13559705
143a8343
1529d8c1
hex1ed387

2020231 has 2 divisors, whose sum is σ = 2020232. Its totient is φ = 2020230.

The previous prime is 2020223. The next prime is 2020243. The reversal of 2020231 is 1320202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2020231 - 23 = 2020223 is a prime.

It is a super-2 number, since 2×20202312 = 8162666586722, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2020261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010115 + 1010116.

It is an arithmetic number, because the mean of its divisors is an integer number (1010116).

22020231 is an apocalyptic number.

2020231 is a deficient number, since it is larger than the sum of its proper divisors (1).

2020231 is an equidigital number, since it uses as much as digits as its factorization.

2020231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 2020231 is about 1421.3483035484. The cubic root of 2020231 is about 126.4155049278.

Adding to 2020231 its reverse (1320202), we get a palindrome (3340433).

The spelling of 2020231 in words is "two million, twenty thousand, two hundred thirty-one".