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20795099 = 132516373
BaseRepresentation
bin100111101010…
…0111011011011
31110010111111212
41033110323123
520310420344
62021413335
7341520053
oct117247333
943114455
1020795099
1110813736
126b6a24b
1344012c0
142a94563
151c5b79e
hex13d4edb

20795099 has 8 divisors (see below), whose sum is σ = 22487472. Its totient is φ = 19116000.

The previous prime is 20795087. The next prime is 20795111. The reversal of 20795099 is 99059702.

It is an interprime number because it is at equal distance from previous prime (20795087) and next prime (20795111).

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 20795099 - 224 = 4017883 is a prime.

It is a super-2 number, since 2×207950992 = 864872284839602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20795399) 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, 77 + ... + 6449.

It is an arithmetic number, because the mean of its divisors is an integer number (2810934).

Almost surely, 220795099 is an apocalyptic number.

20795099 is a deficient number, since it is larger than the sum of its proper divisors (1692373).

20795099 is a wasteful number, since it uses less digits than its factorization.

20795099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6637.

The product of its (nonzero) digits is 51030, while the sum is 41.

The square root of 20795099 is about 4560.1643610730. The cubic root of 20795099 is about 274.9921716780.

It can be divided in two parts, 20 and 795099, that multiplied together give a triangular number (15901980 = T5639).

The spelling of 20795099 in words is "twenty million, seven hundred ninety-five thousand, ninety-nine".

Divisors: 1 13 251 3263 6373 82849 1599623 20795099