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22020201120020 = 2251977737230121
BaseRepresentation
bin1010000000110111110100…
…10001000000000100010100
32212222002222200021120200012
411000123322101000010110
510341234332441320040
6114455535111135352
74431623053144415
oct500337221000424
985862880246605
1022020201120020
11701a795515334
1225777b4974558
13c3965aaaca5c
14561ad79c780c
15282be15aa865
hex1406fa440114

22020201120020 has 48 divisors (see below), whose sum is σ = 46537287583248. Its totient is φ = 8752031339520.

The previous prime is 22020201120019. The next prime is 22020201120161. The reversal of 22020201120020 is 2002110202022.

It can be written as a sum of positive squares in 8 ways, for example, as 1262445499396 + 20757755620624 = 1123586^2 + 4556068^2 .

It is a super-2 number, since 2×220202011200202 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22020201119977 and 22020201120004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 569441 + ... + 6660680.

It is an arithmetic number, because the mean of its divisors is an integer number (969526824651).

Almost surely, 222020201120020 is an apocalyptic number.

22020201120020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22020201120020 is an abundant number, since it is smaller than the sum of its proper divisors (24517086463228).

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

22020201120020 is a wasteful number, since it uses less digits than its factorization.

22020201120020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7231100 (or 7231098 counting only the distinct ones).

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

Adding to 22020201120020 its reverse (2002110202022), we get a palindrome (24022311322042).

The spelling of 22020201120020 in words is "twenty-two trillion, twenty billion, two hundred one million, one hundred twenty thousand, twenty".

Divisors: 1 2 4 5 10 20 197 394 773 788 985 1546 1970 3092 3865 3940 7730 15460 152281 304562 609124 761405 1522810 3045620 7230121 14460242 28920484 36150605 72301210 144602420 1424333837 2848667674 5588883533 5697335348 7121669185 11177767066 14243338370 22355534132 27944417665 28486676740 55888835330 111777670660 1101010056001 2202020112002 4404040224004 5505050280005 11010100560010 22020201120020