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20327952 = 2432318413
BaseRepresentation
bin100110110001…
…0111000010000
31102020202201010
41031202320100
520200443302
62003410520
7334533111
oct115427020
942222633
1020327952
1110524767
126983a40
134299798
1429b2208
151bb816c
hex1362e10

20327952 has 40 divisors (see below), whose sum is σ = 54800064. Its totient is φ = 6481024.

The previous prime is 20327947. The next prime is 20327953. The reversal of 20327952 is 25972302.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20327953) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8103 + ... + 10310.

Almost surely, 220327952 is an apocalyptic number.

It is an amenable number.

20327952 is an abundant number, since it is smaller than the sum of its proper divisors (34472112).

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

20327952 is a wasteful number, since it uses less digits than its factorization.

20327952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18447 (or 18441 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 20327952 is about 4508.6530139278. The cubic root of 20327952 is about 272.9173897021.

The spelling of 20327952 in words is "twenty million, three hundred twenty-seven thousand, nine hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 16 23 24 46 48 69 92 138 184 276 368 552 1104 18413 36826 55239 73652 110478 147304 220956 294608 423499 441912 846998 883824 1270497 1693996 2540994 3387992 5081988 6775984 10163976 20327952