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20020200120220 = 2251697589870363
BaseRepresentation
bin1001000110101010100001…
…11010101001111110011100
32121212220122011112221020111
410203111100322221332130
510111002332212321340
6110325053012455404
74134261136143436
oct443252072517634
977786564487214
1020020200120220
116419579051373
1222b407061a564
13b22b872885b1
144d2da8d57656
1524ab88481aea
hex123550ea9f9c

20020200120220 has 24 divisors (see below), whose sum is σ = 42067194879024. Its totient is φ = 8003361071616.

The previous prime is 20020200120199. The next prime is 20020200120301. The reversal of 20020200120220 is 2202100202002.

It is a self number, because there is not a number n which added to its sum of digits gives 20020200120220.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 294901242 + ... + 294969121.

It is an arithmetic number, because the mean of its divisors is an integer number (1752799786626).

Almost surely, 220020200120220 is an apocalyptic number.

20020200120220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20020200120220 is an abundant number, since it is smaller than the sum of its proper divisors (22046994758804).

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

20020200120220 is a wasteful number, since it uses less digits than its factorization.

20020200120220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 589872069 (or 589872067 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 20020200120220 its reverse (2202100202002), we get a palindrome (22222300322222).

The spelling of 20020200120220 in words is "twenty trillion, twenty billion, two hundred million, one hundred twenty thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 1697 3394 6788 8485 16970 33940 589870363 1179740726 2359481452 2949351815 5898703630 11797407260 1001010006011 2002020012022 4004040024044 5005050030055 10010100060110 20020200120220