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2020026161 is a prime number
BaseRepresentation
bin111100001100111…
…0010011100110001
312012210000221221202
41320121302130301
513114111314121
6532240100545
7101025640046
oct17031623461
95183027852
102020026161
1194728560a
12484604755
1326266966a
141523cd1cd
15bc51b40b
hex78672731

2020026161 has 2 divisors, whose sum is σ = 2020026162. Its totient is φ = 2020026160.

The previous prime is 2020026149. The next prime is 2020026167. The reversal of 2020026161 is 1616200202.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1962933025 + 57093136 = 44305^2 + 7556^2 .

It is a cyclic number.

It is not a de Polignac number, because 2020026161 - 214 = 2020009777 is a prime.

It is a super-2 number, since 2×20200261612 = 8161011382248795842, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2020026167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010013080 + 1010013081.

It is an arithmetic number, because the mean of its divisors is an integer number (1010013081).

Almost surely, 22020026161 is an apocalyptic number.

It is an amenable number.

2020026161 is a deficient number, since it is larger than the sum of its proper divisors (1).

2020026161 is an equidigital number, since it uses as much as digits as its factorization.

2020026161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 2020026161 is about 44944.7011448513. The cubic root of 2020026161 is about 1264.1123219849.

Adding to 2020026161 its reverse (1616200202), we get a palindrome (3636226363).

The spelling of 2020026161 in words is "two billion, twenty million, twenty-six thousand, one hundred sixty-one".