Search a number
-
+
20632670 = 2519312113
BaseRepresentation
bin100111010110…
…1010001011110
31102211020200222
41032231101132
520240221140
62014121342
7340242362
oct116552136
942736628
1020632670
11107126a3
126ab0252
1343753a6
142a512a2
151c285b5
hex13ad45e

20632670 has 48 divisors (see below), whose sum is σ = 40752720. Its totient is φ = 7499520.

The previous prime is 20632663. The next prime is 20632691. The reversal of 20632670 is 7623602.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 182534 + ... + 182646.

It is an arithmetic number, because the mean of its divisors is an integer number (849015).

Almost surely, 220632670 is an apocalyptic number.

20632670 is a deficient number, since it is larger than the sum of its proper divisors (20120050).

20632670 is a wasteful number, since it uses less digits than its factorization.

20632670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201 (or 170 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 20632670 is about 4542.3198918614. The cubic root of 20632670 is about 274.2743181287.

The spelling of 20632670 in words is "twenty million, six hundred thirty-two thousand, six hundred seventy".

Divisors: 1 2 5 10 19 31 38 62 95 113 155 190 226 310 565 589 961 1130 1178 1922 2147 2945 3503 4294 4805 5890 7006 9610 10735 17515 18259 21470 35030 36518 66557 91295 108593 133114 182590 217186 332785 542965 665570 1085930 2063267 4126534 10316335 20632670