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20795496 = 23323101373
BaseRepresentation
bin100111101010…
…1000001101000
31110010112001120
41033111001220
520310423441
62021415240
7341521161
oct117250150
943115046
1020795496
1110813a67
126b6a520
134401537
142a94768
151c5b966
hex13d5068

20795496 has 64 divisors (see below), whose sum is σ = 54933120. Its totient is φ = 6547200.

The previous prime is 20795491. The next prime is 20795497. The reversal of 20795496 is 69459702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20795491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55566 + ... + 55938.

It is an arithmetic number, because the mean of its divisors is an integer number (858330).

Almost surely, 220795496 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20795496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27466560).

20795496 is an abundant number, since it is smaller than the sum of its proper divisors (34137624).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20795496 is a wasteful number, since it uses less digits than its factorization.

20795496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506 (or 502 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 42.

The square root of 20795496 is about 4560.2078899980. The cubic root of 20795496 is about 274.9939216287.

It can be divided in two parts, 207 and 95496, that added together give a triangular number (95703 = T437).

The spelling of 20795496 in words is "twenty million, seven hundred ninety-five thousand, four hundred ninety-six".

Divisors: 1 2 3 4 6 8 12 23 24 46 69 92 101 138 184 202 276 303 373 404 552 606 746 808 1119 1212 1492 2238 2323 2424 2984 4476 4646 6969 8579 8952 9292 13938 17158 18584 25737 27876 34316 37673 51474 55752 68632 75346 102948 113019 150692 205896 226038 301384 452076 866479 904152 1732958 2599437 3465916 5198874 6931832 10397748 20795496