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20232 = 2332281
BaseRepresentation
bin100111100001000
31000202100
410330020
51121412
6233400
7112662
oct47410
930670
1020232
1114223
12b860
139294
147532
155edc
hex4f08

20232 has 24 divisors (see below), whose sum is σ = 54990. Its totient is φ = 6720.

The previous prime is 20231. The next prime is 20233. The reversal of 20232 is 23202.

Adding to 20232 its reverse (23202), we get a palindrome (43434).

It can be divided in two parts, 2023 and 2, that added together give a square (2025 = 452).

It is an interprime number because it is at equal distance from previous prime (20231) and next prime (20233).

It can be written as a sum of positive squares in only one way, i.e., 15876 + 4356 = 126^2 + 66^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a nialpdrome in base 12 and base 14.

It is not an unprimeable number, because it can be changed into a prime (20231) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 69 + ... + 212.

220232 is an apocalyptic number.

It is an amenable number.

20232 is an abundant number, since it is smaller than the sum of its proper divisors (34758).

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

20232 is a wasteful number, since it uses less digits than its factorization.

20232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293 (or 286 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 9.

The square root of 20232 is about 142.2392350936. The cubic root of 20232 is about 27.2487304069.

The spelling of 20232 in words is "twenty thousand, two hundred thirty-two".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 281 562 843 1124 1686 2248 2529 3372 5058 6744 10116 20232