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20025832 = 238213049
BaseRepresentation
bin100110001100…
…1000111101000
31101200102021111
41030121013220
520111311312
61553120104
7332134231
oct114310750
941612244
1020025832
1110338782
126859034
1341c2108
142934088
151b588a7
hex13191e8

20025832 has 16 divisors (see below), whose sum is σ = 37606500. Its totient is φ = 9997440.

The previous prime is 20025823. The next prime is 20025833. The reversal of 20025832 is 23852002.

It can be written as a sum of positive squares in 2 ways, for example, as 17757796 + 2268036 = 4214^2 + 1506^2 .

It is not an unprimeable number, because it can be changed into a prime (20025833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5044 + ... + 8092.

Almost surely, 220025832 is an apocalyptic number.

It is an amenable number.

20025832 is a deficient number, since it is larger than the sum of its proper divisors (17580668).

20025832 is a wasteful number, since it uses less digits than its factorization.

20025832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3876 (or 3872 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 20025832 is about 4475.0231284319. The cubic root of 20025832 is about 271.5585761079.

Adding to 20025832 its reverse (23852002), we get a palindrome (43877834).

The spelling of 20025832 in words is "twenty million, twenty-five thousand, eight hundred thirty-two".

Divisors: 1 2 4 8 821 1642 3049 3284 6098 6568 12196 24392 2503229 5006458 10012916 20025832