Search a number
-
+
20065912 = 232986491
BaseRepresentation
bin100110010001…
…0111001111000
31101202110020221
41030202321320
520114102122
61554025424
7332362126
oct114427170
941673227
1020065912
11103658a9
126878274
134207429
142944916
151b656c7
hex1322e78

20065912 has 16 divisors (see below), whose sum is σ = 38921400. Its totient is φ = 9686880.

The previous prime is 20065909. The next prime is 20065931. The reversal of 20065912 is 21956002.

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, 43014 + ... + 43477.

Almost surely, 220065912 is an apocalyptic number.

It is an amenable number.

20065912 is a deficient number, since it is larger than the sum of its proper divisors (18855488).

20065912 is a wasteful number, since it uses less digits than its factorization.

20065912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86526 (or 86522 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 20065912 is about 4479.4990791382. The cubic root of 20065912 is about 271.7396225119.

The spelling of 20065912 in words is "twenty million, sixty-five thousand, nine hundred twelve".

Divisors: 1 2 4 8 29 58 116 232 86491 172982 345964 691928 2508239 5016478 10032956 20065912