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2122200212020 = 225715158572943
BaseRepresentation
bin11110111000011100111…
…111010110001000110100
321111212202210002210221121
4132320130333112020310
5234232231223241040
64302531511353324
7306216046111540
oct36703477261064
97455683083847
102122200212020
1174902476a849
122a3368682844
13125179525735
1474a020caa20
153a30b1e2c4a
hex1ee1cfd6234

2122200212020 has 24 divisors (see below), whose sum is σ = 5093280509184. Its totient is φ = 727611501216.

The previous prime is 2122200212003. The next prime is 2122200212059. The reversal of 2122200212020 is 202120022212.

It is a junction number, because it is equal to n+sod(n) for n = 2122200211985 and 2122200212003.

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, 7579286332 + ... + 7579286611.

It is an arithmetic number, because the mean of its divisors is an integer number (212220021216).

Almost surely, 22122200212020 is an apocalyptic number.

2122200212020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2122200212020 is an abundant number, since it is smaller than the sum of its proper divisors (2971080297164).

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

2122200212020 is a wasteful number, since it uses less digits than its factorization.

2122200212020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15158572959 (or 15158572957 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 2122200212020 its reverse (202120022212), we get a palindrome (2324320234232).

The spelling of 2122200212020 in words is "two trillion, one hundred twenty-two billion, two hundred million, two hundred twelve thousand, twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 15158572943 30317145886 60634291772 75792864715 106110010601 151585729430 212220021202 303171458860 424440042404 530550053005 1061100106010 2122200212020