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20323101 = 337183091
BaseRepresentation
bin100110110000…
…1101100011101
31102020112001110
41031201230131
520200314401
62003332233
7334513011
oct115415435
942215043
1020323101
1110521057
126981079
134297506
1429b0541
151bb69d6
hex1361b1d

20323101 has 8 divisors (see below), whose sum is σ = 27829984. Its totient is φ = 13182480.

The previous prime is 20323091. The next prime is 20323139. The reversal of 20323101 is 10132302.

It is a happy number.

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

It is not a de Polignac number, because 20323101 - 211 = 20321053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20323151) 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, 91435 + ... + 91656.

It is an arithmetic number, because the mean of its divisors is an integer number (3478748).

Almost surely, 220323101 is an apocalyptic number.

It is an amenable number.

20323101 is a deficient number, since it is larger than the sum of its proper divisors (7506883).

20323101 is a wasteful number, since it uses less digits than its factorization.

20323101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183131.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 20323101 is about 4508.1150162790. The cubic root of 20323101 is about 272.8956785859.

Adding to 20323101 its reverse (10132302), we get a palindrome (30455403).

The spelling of 20323101 in words is "twenty million, three hundred twenty-three thousand, one hundred one".

Divisors: 1 3 37 111 183091 549273 6774367 20323101