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20296291 is a prime number
BaseRepresentation
bin100110101101…
…1001001100011
31102012011021111
41031123021203
520143440131
62003004151
7334341601
oct115331143
942164244
1020296291
11105029a4
126969657
134288252
1429a4871
151badab1
hex135b263

20296291 has 2 divisors, whose sum is σ = 20296292. Its totient is φ = 20296290.

The previous prime is 20296279. The next prime is 20296337. The reversal of 20296291 is 19269202.

20296291 is nontrivially palindromic in base 15.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20296291 - 27 = 20296163 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (20296231) 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, 10148145 + 10148146.

It is an arithmetic number, because the mean of its divisors is an integer number (10148146).

Almost surely, 220296291 is an apocalyptic number.

20296291 is a deficient number, since it is larger than the sum of its proper divisors (1).

20296291 is an equidigital number, since it uses as much as digits as its factorization.

20296291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 20296291 is about 4505.1405083527. The cubic root of 20296291 is about 272.7756255043.

The spelling of 20296291 in words is "twenty million, two hundred ninety-six thousand, two hundred ninety-one".