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212020011100220 = 22539112710560101
BaseRepresentation
bin110000001101010011000001…
…011100100110100000111100
31000210200220201010010101020212
4300031103001130212200330
5210242213440320201340
62030532352022531552
762441640345015221
oct6015230134464074
91023626633111225
10212020011100220
11616131aaa08a04
121b942a94896bb8
13913c52a74196b
143a4db75177948
15197a1d8bbea65
hexc0d4c172683c

212020011100220 has 24 divisors (see below), whose sum is σ = 445355866999008. Its totient is φ = 84786319928000.

The previous prime is 212020011100213. The next prime is 212020011100231. The reversal of 212020011100220 is 22001110020212.

It is a junction number, because it is equal to n+sod(n) for n = 212020011100195 and 212020011100204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1355201831 + ... + 1355358270.

It is an arithmetic number, because the mean of its divisors is an integer number (18556494458292).

Almost surely, 2212020011100220 is an apocalyptic number.

212020011100220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212020011100220 is an abundant number, since it is smaller than the sum of its proper divisors (233335855898788).

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

212020011100220 is a wasteful number, since it uses less digits than its factorization.

212020011100220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2710564021 (or 2710564019 counting only the distinct ones).

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

Adding to 212020011100220 its reverse (22001110020212), we get a palindrome (234021121120432).

The spelling of 212020011100220 in words is "two hundred twelve trillion, twenty billion, eleven million, one hundred thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 3911 7822 15644 19555 39110 78220 2710560101 5421120202 10842240404 13552800505 27105601010 54211202020 10601000555011 21202001110022 42404002220044 53005002775055 106010005550110 212020011100220