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20201353 is a prime number
BaseRepresentation
bin100110100001…
…1111110001001
31102000100001021
41031003332021
520132420403
62000552441
7333465034
oct115037611
942010037
1020201353
1110448637
126922721
134253c83
14297c01b
151b908bd
hex1343f89

20201353 has 2 divisors, whose sum is σ = 20201354. Its totient is φ = 20201352.

The previous prime is 20201341. The next prime is 20201359. The reversal of 20201353 is 35310202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18386944 + 1814409 = 4288^2 + 1347^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-20201353 is a prime.

It is not a weakly prime, because it can be changed into another prime (20201359) 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, 10100676 + 10100677.

It is an arithmetic number, because the mean of its divisors is an integer number (10100677).

Almost surely, 220201353 is an apocalyptic number.

It is an amenable number.

20201353 is a deficient number, since it is larger than the sum of its proper divisors (1).

20201353 is an equidigital number, since it uses as much as digits as its factorization.

20201353 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 20201353 is about 4494.5915276029. The cubic root of 20201353 is about 272.3496485632.

Adding to 20201353 its reverse (35310202), we get a palindrome (55511555).

The spelling of 20201353 in words is "twenty million, two hundred one thousand, three hundred fifty-three".