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BaseRepresentation
bin111101101001010110011
310210121221112
413231022303
51004120034
6111143535
723112161
oct7551263
93717845
102020019
11115a741
12814bab
135595a1
143a8231
1529d7ce
hex1ed2b3

2020019 has 2 divisors, whose sum is σ = 2020020. Its totient is φ = 2020018.

The previous prime is 2020003. The next prime is 2020027. The reversal of 2020019 is 9100202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2020019 - 24 = 2020003 is a prime.

It is a super-2 number, since 2×20200192 = 8160953520722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2019985 and 2020012.

It is not a weakly prime, because it can be changed into another prime (2020079) 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, 1010009 + 1010010.

It is an arithmetic number, because the mean of its divisors is an integer number (1010010).

22020019 is an apocalyptic number.

2020019 is a deficient number, since it is larger than the sum of its proper divisors (1).

2020019 is an equidigital number, since it uses as much as digits as its factorization.

2020019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 2020019 is about 1421.2737245161. The cubic root of 2020019 is about 126.4110828222.

The spelling of 2020019 in words is "two million, twenty thousand, nineteen".