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20020593 = 324127691
BaseRepresentation
bin100110001011…
…1110101110001
31101200011002110
41030113311301
520111124333
61553035533
7332113035
oct114276561
941604073
1020020593
111033484a
126855ba9
1341bc908
1429321c5
151b57063
hex1317d71

20020593 has 8 divisors (see below), whose sum is σ = 26805856. Its totient is φ = 13291200.

The previous prime is 20020579. The next prime is 20020597. The reversal of 20020593 is 39502002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20020593 - 213 = 20012401 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20020597) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13123 + ... + 14568.

It is an arithmetic number, because the mean of its divisors is an integer number (3350732).

Almost surely, 220020593 is an apocalyptic number.

It is an amenable number.

20020593 is a deficient number, since it is larger than the sum of its proper divisors (6785263).

20020593 is a wasteful number, since it uses less digits than its factorization.

20020593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27935.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 20020593 is about 4474.4377300394. The cubic root of 20020593 is about 271.5348930392.

Adding to 20020593 its reverse (39502002), we get a palindrome (59522595).

The spelling of 20020593 in words is "twenty million, twenty thousand, five hundred ninety-three".

Divisors: 1 3 241 723 27691 83073 6673531 20020593