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20323112110 = 2572231803293
BaseRepresentation
bin10010111011010110…
…100001010010101110
31221110100112001201221
4102323112201102232
5313110204041420
613200350453554
71316424413500
oct227326412256
957410461657
1020323112110
118689959a24
123b322042ba
131bbb608532
14dab193d70
157de2e2caa
hex4bb5a14ae

20323112110 has 48 divisors (see below), whose sum is σ = 44404311456. Its totient is φ = 6664967232.

The previous prime is 20323112099. The next prime is 20323112113. The reversal of 20323112110 is 1121132302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20323112113) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 890377 + ... + 912916.

It is an arithmetic number, because the mean of its divisors is an integer number (925089822).

Almost surely, 220323112110 is an apocalyptic number.

20323112110 is an abundant number, since it is smaller than the sum of its proper divisors (24081199346).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20323112110 is a wasteful number, since it uses less digits than its factorization.

20323112110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1803337 (or 1803330 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 20323112110 its reverse (1121132302), we get a palindrome (21444244412).

The spelling of 20323112110 in words is "twenty billion, three hundred twenty-three million, one hundred twelve thousand, one hundred ten".

Divisors: 1 2 5 7 10 14 23 35 46 49 70 98 115 161 230 245 322 490 805 1127 1610 2254 5635 11270 1803293 3606586 9016465 12623051 18032930 25246102 41475739 63115255 82951478 88361357 126230510 176722714 207378695 290330173 414757390 441806785 580660346 883613570 1451650865 2032311211 2903301730 4064622422 10161556055 20323112110