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22441244020 = 22513791576959
BaseRepresentation
bin10100111001100110…
…100011010101110100
32010220222011022110221
4110321212203111310
5331424424302040
614150453424124
71423054266256
oct247146432564
963828138427
1022441244020
119576551868
12442363b044
1321683a4420
14112c5ddcd6
158b523c74a
hex5399a3574

22441244020 has 96 divisors (see below), whose sum is σ = 51728947200. Its totient is φ = 8127834624.

The previous prime is 22441243999. The next prime is 22441244039. The reversal of 22441244020 is 2044214422.

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, 3221301 + ... + 3228259.

It is an arithmetic number, because the mean of its divisors is an integer number (538843200).

Almost surely, 222441244020 is an apocalyptic number.

22441244020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22441244020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25864473600).

22441244020 is an abundant number, since it is smaller than the sum of its proper divisors (29287703180).

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

22441244020 is a wasteful number, since it uses less digits than its factorization.

22441244020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7217 (or 7215 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 25.

Adding to 22441244020 its reverse (2044214422), we get a palindrome (24485458442).

The spelling of 22441244020 in words is "twenty-two billion, four hundred forty-one million, two hundred forty-four thousand, twenty".

Divisors: 1 2 4 5 10 13 20 26 52 65 79 130 157 158 260 314 316 395 628 785 790 1027 1570 1580 2041 2054 3140 4082 4108 5135 6959 8164 10205 10270 12403 13918 20410 20540 24806 27836 34795 40820 49612 62015 69590 90467 124030 139180 161239 180934 248060 322478 361868 452335 549761 644956 806195 904670 1092563 1099522 1612390 1809340 2185126 2199044 2748805 3224780 4370252 5462815 5497610 7146893 10925630 10995220 14203319 14293786 21851260 28406638 28587572 35734465 56813276 71016595 71468930 86312477 142033190 142937860 172624954 284066380 345249908 431562385 863124770 1122062201 1726249540 2244124402 4488248804 5610311005 11220622010 22441244020