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20136276 = 2234193271
BaseRepresentation
bin100110011010…
…0000101010100
31101220000210000
41030310011110
520123330101
61555331300
7333104226
oct114640524
941800700
1020136276
1110403756
1268b0b30
134230474
142962416
151b7b486
hex1334154

20136276 has 60 divisors (see below), whose sum is σ = 55427680. Its totient is φ = 6356880.

The previous prime is 20136241. The next prime is 20136301. The reversal of 20136276 is 67263102.

It is a happy number.

20136276 is a `hidden beast` number, since 20 + 13 + 627 + 6 = 666.

It is a super-2 number, since 2×201362762 = 810939222296352, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4521 + ... + 7791.

Almost surely, 220136276 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 20136276, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27713840).

20136276 is an abundant number, since it is smaller than the sum of its proper divisors (35291404).

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

20136276 is a wasteful number, since it uses less digits than its factorization.

20136276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3306 (or 3295 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 20136276 is about 4487.3462090639. The cubic root of 20136276 is about 272.0568832877.

Adding to 20136276 its reverse (67263102), we get a palindrome (87399378).

The spelling of 20136276 in words is "twenty million, one hundred thirty-six thousand, two hundred seventy-six".

Divisors: 1 2 3 4 6 9 12 18 19 27 36 38 54 57 76 81 108 114 162 171 228 324 342 513 684 1026 1539 2052 3078 3271 6156 6542 9813 13084 19626 29439 39252 58878 62149 88317 117756 124298 176634 186447 248596 264951 353268 372894 529902 559341 745788 1059804 1118682 1678023 2237364 3356046 5034069 6712092 10068138 20136276