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20295101 is a prime number
BaseRepresentation
bin100110101101…
…0110110111101
31102012002122102
41031122312331
520143420401
62002554445
7334335251
oct115326675
942162572
1020295101
1110502012
126968a25
134287848
1429a4261
151bad56b
hex135adbd

20295101 has 2 divisors, whose sum is σ = 20295102. Its totient is φ = 20295100.

The previous prime is 20295091. The next prime is 20295113. The reversal of 20295101 is 10159202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20259001 + 36100 = 4501^2 + 190^2 .

It is a cyclic number.

It is not a de Polignac number, because 20295101 - 210 = 20294077 is a prime.

It is a super-2 number, since 2×202951012 = 823782249200402, 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 (20295181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10147550 + 10147551.

It is an arithmetic number, because the mean of its divisors is an integer number (10147551).

Almost surely, 220295101 is an apocalyptic number.

It is an amenable number.

20295101 is a deficient number, since it is larger than the sum of its proper divisors (1).

20295101 is an equidigital number, since it uses as much as digits as its factorization.

20295101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 20295101 is about 4505.0084350642. The cubic root of 20295101 is about 272.7702943276.

The spelling of 20295101 in words is "twenty million, two hundred ninety-five thousand, one hundred one".