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2420020069 is a prime number
BaseRepresentation
bin1001000000111110…
…1001001101100101
320020122200202102221
42100033221031211
514424011120234
61040045232341
7113653555045
oct22017511545
96218622387
102420020069
111032046995
125765626b1
132c74a824c
1418d591725
15e26cceb4
hex903e9365

2420020069 has 2 divisors, whose sum is σ = 2420020070. Its totient is φ = 2420020068.

The previous prime is 2420020027. The next prime is 2420020103. The reversal of 2420020069 is 9600200242.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2199141025 + 220879044 = 46895^2 + 14862^2 .

It is a cyclic number.

It is not a de Polignac number, because 2420020069 - 27 = 2420019941 is a prime.

It is a super-2 number, since 2×24200200692 = 11712994268725529522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2420020469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1210010034 + 1210010035.

It is an arithmetic number, because the mean of its divisors is an integer number (1210010035).

Almost surely, 22420020069 is an apocalyptic number.

It is an amenable number.

2420020069 is a deficient number, since it is larger than the sum of its proper divisors (1).

2420020069 is an equidigital number, since it uses as much as digits as its factorization.

2420020069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 2420020069 is about 49193.6994847917. The cubic root of 2420020069 is about 1342.5784002199.

The spelling of 2420020069 in words is "two billion, four hundred twenty million, twenty thousand, sixty-nine".