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22202020022020 = 2251965718891549
BaseRepresentation
bin1010000110001010011111…
…00001000100011100000100
32220121111021221121210101121
411003011033201010130010
510402224214111201040
6115115244525203324
74451020516255666
oct503051741043404
986544257553347
1022202020022020
11708a907551503
1225a6a97700544
13c50845501a77
1456a8251ba536
152877d3802c4a
hex14314f844704

22202020022020 has 48 divisors (see below), whose sum is σ = 49085623944000. Its totient is φ = 8412115731840.

The previous prime is 22202020021997. The next prime is 22202020022081. The reversal of 22202020022020 is 2022002020222.

It is a happy number.

It is a super-2 number, since 2×222020200220202 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22202020021985 and 22202020022003.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1948795 + ... + 6942754.

It is an arithmetic number, because the mean of its divisors is an integer number (1022617165500).

Almost surely, 222202020022020 is an apocalyptic number.

22202020022020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22202020022020 is an abundant number, since it is smaller than the sum of its proper divisors (26883603921980).

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

22202020022020 is a wasteful number, since it uses less digits than its factorization.

22202020022020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8898148 (or 8898146 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

Adding to 22202020022020 its reverse (2022002020222), we get a palindrome (24224022042242).

The spelling of 22202020022020 in words is "twenty-two trillion, two hundred two billion, twenty million, twenty-two thousand, twenty".

Divisors: 1 2 4 5 10 19 20 38 76 95 190 380 6571 13142 26284 32855 65710 124849 131420 249698 499396 624245 1248490 2496980 8891549 17783098 35566196 44457745 88915490 168939431 177830980 337878862 675757724 844697155 1689394310 3378788620 58426368479 116852736958 233705473916 292131842395 584263684790 1110101001101 1168527369580 2220202002202 4440404004404 5550505005505 11101010011010 22202020022020