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20012202010220 = 22575910922227383
BaseRepresentation
bin1001000110011011101000…
…01100010010011001101100
32121212010222202200211221012
410203031310030102121230
510110334442203311340
6110321251221324352
74133556010264460
oct443156414223154
977763882624835
1020012202010220
116416144354a02
1222b25b9b666b8
13b221b1257824
144d284aa224a0
1524a86b20b565
hex12337431266c

20012202010220 has 96 divisors (see below), whose sum is σ = 49291446758400. Its totient is φ = 6683151400704.

The previous prime is 20012202010217. The next prime is 20012202010289. The reversal of 20012202010220 is 2201020221002.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 20012202010195 and 20012202010204.

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, 10213352 + ... + 12014031.

It is an arithmetic number, because the mean of its divisors is an integer number (513452570400).

Almost surely, 220012202010220 is an apocalyptic number.

20012202010220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20012202010220 is an abundant number, since it is smaller than the sum of its proper divisors (29279244748180).

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

20012202010220 is a wasteful number, since it uses less digits than its factorization.

20012202010220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22227567 (or 22227565 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 20012202010220 its reverse (2201020221002), we get a palindrome (22213222231222).

The spelling of 20012202010220 in words is "twenty trillion, twelve billion, two hundred two million, ten thousand, two hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 59 70 109 118 140 218 236 295 413 436 545 590 763 826 1090 1180 1526 1652 2065 2180 3052 3815 4130 6431 7630 8260 12862 15260 25724 32155 45017 64310 90034 128620 180068 225085 450170 900340 22227383 44454766 88909532 111136915 155591681 222273830 311183362 444547660 622366724 777958405 1311415597 1555916810 2422784747 2622831194 3111833620 4845569494 5245662388 6557077985 9179909179 9691138988 12113923735 13114155970 16959493229 18359818358 24227847470 26228311940 33918986458 36719636716 45899545895 48455694940 67837972916 84797466145 91799091790 142944300073 169594932290 183598183580 285888600146 339189864580 571777200292 714721500365 1000610100511 1429443000730 2001220201022 2858886001460 4002440402044 5003050502555 10006101005110 20012202010220