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20323232 = 251673803
BaseRepresentation
bin100110110000…
…1101110100000
31102020112020022
41031201232200
520200320412
62003333012
7334513256
oct115415640
942215208
1020323232
1110521166
126981168
1342975a7
1429b05d6
151bb6a72
hex1361ba0

20323232 has 24 divisors (see below), whose sum is σ = 40261536. Its totient is φ = 10098112.

The previous prime is 20323201. The next prime is 20323267. The reversal of 20323232 is 23232302.

It is a self number, because there is not a number n which added to its sum of digits gives 20323232.

It is an unprimeable number.

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, 3443 + ... + 7245.

It is an arithmetic number, because the mean of its divisors is an integer number (1677564).

Almost surely, 220323232 is an apocalyptic number.

It is an amenable number.

20323232 is a deficient number, since it is larger than the sum of its proper divisors (19938304).

20323232 is a wasteful number, since it uses less digits than its factorization.

20323232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3980 (or 3972 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 17.

The square root of 20323232 is about 4508.1295456098. The cubic root of 20323232 is about 272.8962649344.

Adding to 20323232 its reverse (23232302), we get a palindrome (43555534).

The spelling of 20323232 in words is "twenty million, three hundred twenty-three thousand, two hundred thirty-two".

Divisors: 1 2 4 8 16 32 167 334 668 1336 2672 3803 5344 7606 15212 30424 60848 121696 635101 1270202 2540404 5080808 10161616 20323232