Search a number
-
+
20325012 = 22341109379
BaseRepresentation
bin100110110001…
…0001010010100
31102020121200020
41031202022110
520200400022
62003345140
7334521411
oct115421224
942217606
1020325012
1110522534
1269821b0
134298346
1429b1108
151bb735c
hex1362294

20325012 has 48 divisors (see below), whose sum is σ = 49156800. Its totient is φ = 6531840.

The previous prime is 20324999. The next prime is 20325049. The reversal of 20325012 is 21052302.

It is a super-2 number, since 2×203250122 = 826212225600288, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20324982 and 20325000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53439 + ... + 53817.

It is an arithmetic number, because the mean of its divisors is an integer number (1024100).

Almost surely, 220325012 is an apocalyptic number.

It is an amenable number.

20325012 is an abundant number, since it is smaller than the sum of its proper divisors (28831788).

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

20325012 is a wasteful number, since it uses less digits than its factorization.

20325012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536 (or 534 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 20325012 is about 4508.3269624108. The cubic root of 20325012 is about 272.9042318623.

Adding to 20325012 its reverse (21052302), we get a palindrome (41377314).

The spelling of 20325012 in words is "twenty million, three hundred twenty-five thousand, twelve".

Divisors: 1 2 3 4 6 12 41 82 109 123 164 218 246 327 379 436 492 654 758 1137 1308 1516 2274 4469 4548 8938 13407 15539 17876 26814 31078 41311 46617 53628 62156 82622 93234 123933 165244 186468 247866 495732 1693751 3387502 5081253 6775004 10162506 20325012