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20202001110 = 23253734917383
BaseRepresentation
bin10010110100001000…
…100001001011010110
31221010220121222200100
4102310020201023112
5312333203013420
613140342554530
71313424114264
oct226410411326
957126558610
1020202001110
118627559495
123ab9738a46
131b9c4b2a15
14d99069434
157d386d190
hex4b42212d6

20202001110 has 96 divisors (see below), whose sum is σ = 54102484800. Its totient is φ = 5226280704.

The previous prime is 20202001109. The next prime is 20202001151. The reversal of 20202001110 is 1110020202.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 20202001092 and 20202001101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1153479 + ... + 1170861.

It is an arithmetic number, because the mean of its divisors is an integer number (563567550).

Almost surely, 220202001110 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20202001110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27051242400).

20202001110 is an abundant number, since it is smaller than the sum of its proper divisors (33900483690).

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

20202001110 is a wasteful number, since it uses less digits than its factorization.

20202001110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17782 (or 17779 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 20202001110 its reverse (1110020202), we get a palindrome (21312021312).

The spelling of 20202001110 in words is "twenty billion, two hundred two million, one thousand, one hundred ten".

Divisors: 1 2 3 5 6 9 10 15 18 30 37 45 74 90 111 185 222 333 349 370 555 666 698 1047 1110 1665 1745 2094 3141 3330 3490 5235 6282 10470 12913 15705 17383 25826 31410 34766 38739 52149 64565 77478 86915 104298 116217 129130 156447 173830 193695 232434 260745 312894 387390 521490 581085 643171 782235 1162170 1286342 1564470 1929513 3215855 3859026 5788539 6066667 6431710 9647565 11577078 12133334 18200001 19295130 28942695 30333335 36400002 54600003 57885390 60666670 91000005 109200006 182000010 224466679 273000015 448933358 546000030 673400037 1122333395 1346800074 2020200111 2244666790 3367000185 4040400222 6734000370 10101000555 20202001110