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20760086 = 210380043
BaseRepresentation
bin100111100110…
…0011000010110
31110001201111002
41033030120112
520303310321
62020543302
7341313014
oct117143026
943051432
1020760086
111079a3a6
126b51b32
1343bb399
142a858b4
151c5120b
hex13cc616

20760086 has 4 divisors (see below), whose sum is σ = 31140132. Its totient is φ = 10380042.

The previous prime is 20760083. The next prime is 20760097. The reversal of 20760086 is 68006702.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20760083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5190020 + ... + 5190023.

It is an arithmetic number, because the mean of its divisors is an integer number (7785033).

Almost surely, 220760086 is an apocalyptic number.

20760086 is a deficient number, since it is larger than the sum of its proper divisors (10380046).

20760086 is a wasteful number, since it uses less digits than its factorization.

20760086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10380045.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 20760086 is about 4556.3237374006. The cubic root of 20760086 is about 274.8377489181.

Adding to 20760086 its reverse (68006702), we get a palindrome (88766788).

The spelling of 20760086 in words is "twenty million, seven hundred sixty thousand, eighty-six".

Divisors: 1 2 10380043 20760086