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20600133 = 316074273
BaseRepresentation
bin100111010010…
…1010101000101
31102202121001220
41032211111011
520233201013
62013310553
7340045461
oct116452505
942677056
1020600133
11106a0204
126a95459
134363638
142a434a1
151c1db23
hex13a5545

20600133 has 8 divisors (see below), whose sum is σ = 27490368. Its totient is φ = 13721664.

The previous prime is 20600117. The next prime is 20600137. The reversal of 20600133 is 33100602.

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

It is not a de Polignac number, because 20600133 - 24 = 20600117 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20600137) 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, 2685 + ... + 6957.

It is an arithmetic number, because the mean of its divisors is an integer number (3436296).

Almost surely, 220600133 is an apocalyptic number.

It is an amenable number.

20600133 is a deficient number, since it is larger than the sum of its proper divisors (6890235).

20600133 is a wasteful number, since it uses less digits than its factorization.

20600133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5883.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 20600133 is about 4538.7369388410. The cubic root of 20600133 is about 274.1300686031.

Adding to 20600133 its reverse (33100602), we get a palindrome (53700735).

The spelling of 20600133 in words is "twenty million, six hundred thousand, one hundred thirty-three".

Divisors: 1 3 1607 4273 4821 12819 6866711 20600133