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20500041 = 341166667
BaseRepresentation
bin100111000110…
…0111001001001
31102120111202210
41032030321021
520222000131
62011215333
7336150612
oct116147111
942514683
1020500041
1110631a91
126a47549
134329c03
142a18c09
151bee146
hex138ce49

20500041 has 8 divisors (see below), whose sum is σ = 28000224. Its totient is φ = 13333280.

The previous prime is 20500033. The next prime is 20500049. The reversal of 20500041 is 14000502.

It is an interprime number because it is at equal distance from previous prime (20500033) and next prime (20500049).

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

It is a cyclic number.

It is not a de Polignac number, because 20500041 - 23 = 20500033 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20500049) 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, 83211 + ... + 83456.

It is an arithmetic number, because the mean of its divisors is an integer number (3500028).

Almost surely, 220500041 is an apocalyptic number.

It is an amenable number.

20500041 is a deficient number, since it is larger than the sum of its proper divisors (7500183).

20500041 is a wasteful number, since it uses less digits than its factorization.

20500041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166711.

The product of its (nonzero) digits is 40, while the sum is 12.

The square root of 20500041 is about 4527.6970967590. The cubic root of 20500041 is about 273.6853661966.

Adding to 20500041 its reverse (14000502), we get a palindrome (34500543).

The spelling of 20500041 in words is "twenty million, five hundred thousand, forty-one".

Divisors: 1 3 41 123 166667 500001 6833347 20500041