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BaseRepresentation
bin100110110001…
…1111001011011
31102020222102121
41031203321123
520201111443
62003442111
7334551220
oct115437133
942228377
1020332123
1110527909
126986337
13429b656
1429b3947
151bb94ed
hex1363e5b

20332123 has 8 divisors (see below), whose sum is σ = 23265792. Its totient is φ = 17405736.

The previous prime is 20332099. The next prime is 20332133. The reversal of 20332123 is 32123302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20332123 - 221 = 18234971 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20332097 and 20332106.

It is not an unprimeable number, because it can be changed into a prime (20332133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7086 + ... + 9532.

It is an arithmetic number, because the mean of its divisors is an integer number (2908224).

Almost surely, 220332123 is an apocalyptic number.

20332123 is a deficient number, since it is larger than the sum of its proper divisors (2933669).

20332123 is a wasteful number, since it uses less digits than its factorization.

20332123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3641.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 20332123 is about 4509.1155452040. The cubic root of 20332123 is about 272.9360546515.

Adding to 20332123 its reverse (32123302), we get a palindrome (52455425).

The spelling of 20332123 in words is "twenty million, three hundred thirty-two thousand, one hundred twenty-three".

Divisors: 1 7 1187 2447 8309 17129 2904589 20332123