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20122102110 = 23511292102623
BaseRepresentation
bin10010101111010111…
…101110100101011110
31220221100021200212010
4102233113232211132
5312202224231420
613124410252050
71311434021505
oct225727564536
956840250763
1020122102110
118596447160
123a96a27026
131b88a895c6
14d8c5cb83c
157cb8394e0
hex4af5ee95e

20122102110 has 64 divisors (see below), whose sum is σ = 54500014080. Its totient is φ = 4709873280.

The previous prime is 20122102093. The next prime is 20122102129. The reversal of 20122102110 is 1120122102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1041742 + ... + 1060881.

It is an arithmetic number, because the mean of its divisors is an integer number (851562720).

Almost surely, 220122102110 is an apocalyptic number.

20122102110 is an abundant number, since it is smaller than the sum of its proper divisors (34377911970).

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

20122102110 is a wasteful number, since it uses less digits than its factorization.

20122102110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2102673.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20122102110 its reverse (1120122102), we get a palindrome (21242224212).

The spelling of 20122102110 in words is "twenty billion, one hundred twenty-two million, one hundred two thousand, one hundred ten".

Divisors: 1 2 3 5 6 10 11 15 22 29 30 33 55 58 66 87 110 145 165 174 290 319 330 435 638 870 957 1595 1914 3190 4785 9570 2102623 4205246 6307869 10513115 12615738 21026230 23128853 31539345 46257706 60976067 63078690 69386559 115644265 121952134 138773118 182928201 231288530 304880335 346932795 365856402 609760670 670736737 693865590 914641005 1341473474 1829282010 2012210211 3353683685 4024420422 6707367370 10061051055 20122102110