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20432112 = 2431512819
BaseRepresentation
bin100110111110…
…0010011110000
31102110001120220
41031330103300
520212311422
62005533040
7335445561
oct115742360
942401526
1020432112
1110595a48
126a14180
13430500c
1429dc168
151bd8e5c
hex137c4f0

20432112 has 40 divisors (see below), whose sum is σ = 53151360. Its totient is φ = 6763200.

The previous prime is 20432107. The next prime is 20432117. The reversal of 20432112 is 21123402.

It is an interprime number because it is at equal distance from previous prime (20432107) and next prime (20432117).

It is a junction number, because it is equal to n+sod(n) for n = 20432091 and 20432100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20432117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5839 + ... + 8657.

It is an arithmetic number, because the mean of its divisors is an integer number (1328784).

Almost surely, 220432112 is an apocalyptic number.

It is an amenable number.

20432112 is an abundant number, since it is smaller than the sum of its proper divisors (32719248).

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

20432112 is a wasteful number, since it uses less digits than its factorization.

20432112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2981 (or 2975 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 20432112 is about 4520.1893765638. The cubic root of 20432112 is about 273.3827367902.

Adding to 20432112 its reverse (21123402), we get a palindrome (41555514).

The spelling of 20432112 in words is "twenty million, four hundred thirty-two thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 24 48 151 302 453 604 906 1208 1812 2416 2819 3624 5638 7248 8457 11276 16914 22552 33828 45104 67656 135312 425669 851338 1277007 1702676 2554014 3405352 5108028 6810704 10216056 20432112