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220021320230022 = 231738318713010177
BaseRepresentation
bin110010000001101110110100…
…101000101010010010000110
31001212000211111002212110121010
4302001232310220222102012
5212314312130434330042
62055540222114103050
764226005265321433
oct6201566450522206
91055024432773533
10220021320230022
11641185773647a3
1220815732b7aa86
13959cbc961952c
143c49135632b8a
151a683d5a2a59c
hexc81bb4a2a486

220021320230022 has 64 divisors (see below), whose sum is σ = 467393853947904. Its totient is φ = 68809251962880.

The previous prime is 220021320230011. The next prime is 220021320230077. The reversal of 220021320230022 is 220032023120022.

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, 71587398 + ... + 74597574.

It is an arithmetic number, because the mean of its divisors is an integer number (7303028967936).

Almost surely, 2220021320230022 is an apocalyptic number.

220021320230022 is an abundant number, since it is smaller than the sum of its proper divisors (247372533717882).

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

220021320230022 is a wasteful number, since it uses less digits than its factorization.

220021320230022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3012453.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 220021320230022 its reverse (220032023120022), we get a palindrome (440053343350044).

The spelling of 220021320230022 in words is "two hundred twenty trillion, twenty-one billion, three hundred twenty million, two hundred thirty thousand, twenty-two".

Divisors: 1 2 3 6 17 34 51 102 383 766 1149 1871 2298 3742 5613 6511 11226 13022 19533 31807 39066 63614 95421 190842 716593 1433186 2149779 3010177 4299558 6020354 9030531 12182081 18061062 24364162 36546243 51173009 73092486 102346018 153519027 307038054 1152897791 2305795582 3458693373 5632041167 6917386746 11264082334 16896123501 19599262447 33792247002 39198524894 58797787341 95744699839 117595574682 191489399678 287234099517 574468199034 2157071766961 4314143533922 6471215300883 12942430601766 36670220038337 73340440076674 110010660115011 220021320230022