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20000132 = 227170423
BaseRepresentation
bin100110001001…
…0110110000100
31101122010000122
41030102312010
520110001012
61552401112
7331666265
oct114226604
941563018
1020000132
1110320439
126846198
1341b34c9
14292896c
151b50e72
hex1312d84

20000132 has 12 divisors (see below), whose sum is σ = 35493696. Its totient is φ = 9859080.

The previous prime is 20000107. The next prime is 20000147. The reversal of 20000132 is 23100002.

20000132 is a modest number, since divided by 132 gives 20 as remainder.

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, 34928 + ... + 35495.

It is an arithmetic number, because the mean of its divisors is an integer number (2957808).

Almost surely, 220000132 is an apocalyptic number.

It is an amenable number.

20000132 is a deficient number, since it is larger than the sum of its proper divisors (15493564).

20000132 is a wasteful number, since it uses less digits than its factorization.

20000132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70498 (or 70496 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 8.

The square root of 20000132 is about 4472.1507130239. The cubic root of 20000132 is about 271.4423588301.

Adding to 20000132 its reverse (23100002), we get a palindrome (43100134).

The spelling of 20000132 in words is "twenty million, one hundred thirty-two", and thus it is an aban number.

Divisors: 1 2 4 71 142 284 70423 140846 281692 5000033 10000066 20000132