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211120212020 = 225311789190339
BaseRepresentation
bin1100010010011110111…
…1101100100000110100
3202011221022220222121212
43010213233230200310
511424333233241040
6240553130500552
721152520123134
oct3044757544064
9664838828555
10211120212020
1181598946073
1234abb894758
1316ba71160a3
14a30ad24ac4
15575985bd65
hex3127bec834

211120212020 has 48 divisors (see below), whose sum is σ = 457912358400. Its totient is φ = 81677842560.

The previous prime is 211120211999. The next prime is 211120212059. The reversal of 211120212020 is 20212021112.

211120212020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 211120211986 and 211120212004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1014011 + ... + 1204349.

It is an arithmetic number, because the mean of its divisors is an integer number (9539840800).

Almost surely, 2211120212020 is an apocalyptic number.

211120212020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211120212020 is an abundant number, since it is smaller than the sum of its proper divisors (246792146380).

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

211120212020 is a wasteful number, since it uses less digits than its factorization.

211120212020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192168 (or 192166 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 211120212020 its reverse (20212021112), we get a palindrome (231332233132).

The spelling of 211120212020 in words is "two hundred eleven billion, one hundred twenty million, two hundred twelve thousand, twenty".

Divisors: 1 2 4 5 10 20 31 62 124 155 310 620 1789 3578 7156 8945 17890 35780 55459 110918 190339 221836 277295 380678 554590 761356 951695 1109180 1903390 3806780 5900509 11801018 23602036 29502545 59005090 118010180 340516471 681032942 1362065884 1702582355 3405164710 6810329420 10556010601 21112021202 42224042404 52780053005 105560106010 211120212020