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20334856 = 2317149521
BaseRepresentation
bin100110110010…
…0100100001000
31102021010011211
41031210210020
520201203411
62003502504
7334562203
oct115444410
942233154
1020334856
1110529973
126987a34
13429c979
1429b493a
151bba221
hex1364908

20334856 has 16 divisors (see below), whose sum is σ = 40370940. Its totient is φ = 9569280.

The previous prime is 20334833. The next prime is 20334863. The reversal of 20334856 is 65843302.

It can be written as a sum of positive squares in 2 ways, for example, as 16532356 + 3802500 = 4066^2 + 1950^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74625 + ... + 74896.

Almost surely, 220334856 is an apocalyptic number.

It is an amenable number.

20334856 is a deficient number, since it is larger than the sum of its proper divisors (20036084).

20334856 is a wasteful number, since it uses less digits than its factorization.

20334856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149544 (or 149540 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 20334856 is about 4509.4185878004. The cubic root of 20334856 is about 272.9482832617.

It can be divided in two parts, 2033 and 4856, that added together give a square (6889 = 832).

The spelling of 20334856 in words is "twenty million, three hundred thirty-four thousand, eight hundred fifty-six".

Divisors: 1 2 4 8 17 34 68 136 149521 299042 598084 1196168 2541857 5083714 10167428 20334856