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20590753 is a prime number
BaseRepresentation
bin100111010001…
…1000010100001
31102202010012111
41032203002201
520232401003
62013155321
7340006231
oct116430241
942663174
1020590753
1110694157
126a8bb41
13435c2a1
142a3dcc1
151c1ae6d
hex13a30a1

20590753 has 2 divisors, whose sum is σ = 20590754. Its totient is φ = 20590752.

The previous prime is 20590751. The next prime is 20590763. The reversal of 20590753 is 35709502.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19864849 + 725904 = 4457^2 + 852^2 .

It is a cyclic number.

It is not a de Polignac number, because 20590753 - 21 = 20590751 is a prime.

It is a super-3 number, since 3×205907533 (a number of 23 digits) contains 333 as substring.

Together with 20590751, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (20590751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10295376 + 10295377.

It is an arithmetic number, because the mean of its divisors is an integer number (10295377).

Almost surely, 220590753 is an apocalyptic number.

It is an amenable number.

20590753 is a deficient number, since it is larger than the sum of its proper divisors (1).

20590753 is an equidigital number, since it uses as much as digits as its factorization.

20590753 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9450, while the sum is 31.

The square root of 20590753 is about 4537.7034940595. The cubic root of 20590753 is about 274.0884551109.

The spelling of 20590753 in words is "twenty million, five hundred ninety thousand, seven hundred fifty-three".