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20321230102 = 243923144909
BaseRepresentation
bin10010111011001111…
…010101110100010110
31221110012222110002221
4102323033111310112
5313104213330402
613200242252554
71316402414545
oct227317256426
957405873087
1020321230102
118688893a48
123b3165715a
131bbb0c9a14
14daac2415c
157de070337
hex4bb3d5d16

20321230102 has 8 divisors (see below), whose sum is σ = 30551281200. Its totient is φ = 10137469704.

The previous prime is 20321230099. The next prime is 20321230103. The reversal of 20321230102 is 20103212302.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20321230103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11571577 + ... + 11573332.

It is an arithmetic number, because the mean of its divisors is an integer number (3818910150).

Almost surely, 220321230102 is an apocalyptic number.

20321230102 is a deficient number, since it is larger than the sum of its proper divisors (10230051098).

20321230102 is a wasteful number, since it uses less digits than its factorization.

20321230102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23145350.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 20321230102 its reverse (20103212302), we get a palindrome (40424442404).

The spelling of 20321230102 in words is "twenty billion, three hundred twenty-one million, two hundred thirty thousand, one hundred two".

Divisors: 1 2 439 878 23144909 46289818 10160615051 20321230102