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212010202220 = 22510600510111
BaseRepresentation
bin1100010101110011001…
…0101111010001101100
3202021020100121011122212
43011130302233101230
511433144102432340
6241221322225552
721213544661555
oct3053462572154
9667210534585
10212010202220
1181a05260963
12351099552b8
1316cb96165cb
14a3931d732c
1557aca5ca65
hex315ccaf46c

212010202220 has 12 divisors (see below), whose sum is σ = 445221424704. Its totient is φ = 84804080880.

The previous prime is 212010202193. The next prime is 212010202237. The reversal of 212010202220 is 22202010212.

It is a junction number, because it is equal to n+sod(n) for n = 212010202195 and 212010202204.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5300255036 + ... + 5300255075.

It is an arithmetic number, because the mean of its divisors is an integer number (37101785392).

Almost surely, 2212010202220 is an apocalyptic number.

212010202220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212010202220 is an abundant number, since it is smaller than the sum of its proper divisors (233211222484).

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

212010202220 is a wasteful number, since it uses less digits than its factorization.

212010202220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10600510120 (or 10600510118 counting only the distinct ones).

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

Adding to 212010202220 its reverse (22202010212), we get a palindrome (234212212432).

The spelling of 212010202220 in words is "two hundred twelve billion, ten million, two hundred two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 10600510111 21201020222 42402040444 53002550555 106005101110 212010202220