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20754201 = 313532159
BaseRepresentation
bin100111100101…
…0111100011001
31110001102102010
41033022330121
520303113301
62020500133
7341256606
oct117127431
943042363
1020754201
1110795a36
126b4a649
1343b87c0
142a836ad
151c4e5d6
hex13caf19

20754201 has 8 divisors (see below), whose sum is σ = 29800960. Its totient is φ = 12771792.

The previous prime is 20754179. The next prime is 20754203. The reversal of 20754201 is 10245702.

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

It is not a de Polignac number, because 20754201 - 214 = 20737817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20754203) 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, 266041 + ... + 266118.

It is an arithmetic number, because the mean of its divisors is an integer number (3725120).

Almost surely, 220754201 is an apocalyptic number.

It is an amenable number.

20754201 is a deficient number, since it is larger than the sum of its proper divisors (9046759).

20754201 is a wasteful number, since it uses less digits than its factorization.

20754201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532175.

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 20754201 is about 4555.6778858914. The cubic root of 20754201 is about 274.8117764341.

Adding to 20754201 its reverse (10245702), we get a palindrome (30999903).

The spelling of 20754201 in words is "twenty million, seven hundred fifty-four thousand, two hundred one".

Divisors: 1 3 13 39 532159 1596477 6918067 20754201