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20325323 = 59344497
BaseRepresentation
bin100110110001…
…0001111001011
31102020122002202
41031202033023
520200402243
62003350415
7334522334
oct115421713
942218082
1020325323
1110522797
12698240b
134298525
1429b128b
151bb74b8
hex13623cb

20325323 has 4 divisors (see below), whose sum is σ = 20669880. Its totient is φ = 19980768.

The previous prime is 20325311. The next prime is 20325337. The reversal of 20325323 is 32352302.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20325323 - 224 = 3548107 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20325295 and 20325304.

It is not an unprimeable number, because it can be changed into a prime (20325223) 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 3 ways as a sum of consecutive naturals, for example, 172190 + ... + 172307.

It is an arithmetic number, because the mean of its divisors is an integer number (5167470).

Almost surely, 220325323 is an apocalyptic number.

20325323 is a deficient number, since it is larger than the sum of its proper divisors (344557).

20325323 is an equidigital number, since it uses as much as digits as its factorization.

20325323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344556.

The product of its (nonzero) digits is 1080, while the sum is 20.

The square root of 20325323 is about 4508.3614540096. The cubic root of 20325323 is about 272.9056237890.

Adding to 20325323 its reverse (32352302), we get a palindrome (52677625).

The spelling of 20325323 in words is "twenty million, three hundred twenty-five thousand, three hundred twenty-three".

Divisors: 1 59 344497 20325323