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32212002220 = 2251794741183
BaseRepresentation
bin11101111111111111…
…000010010110101100
310002010220120020222021
4131333333002112230
51011432233032340
622444210555524
72220146333626
oct357777022654
9102126506867
1032212002220
111272a921042
1262ab898ba4
133064739758
1417b812bc16
15c87e16e4a
hex77ffc25ac

32212002220 has 24 divisors (see below), whose sum is σ = 71624335104. Its totient is φ = 12126871296.

The previous prime is 32212002211. The next prime is 32212002227. The reversal of 32212002220 is 2220021223.

It is a super-2 number, since 2×322120022202 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 32212002194 and 32212002203.

It is not an unprimeable number, because it can be changed into a prime (32212002227) by changing a digit.

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, 47370252 + ... + 47370931.

It is an arithmetic number, because the mean of its divisors is an integer number (2984347296).

Almost surely, 232212002220 is an apocalyptic number.

It is an amenable number.

32212002220 is an abundant number, since it is smaller than the sum of its proper divisors (39412332884).

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

32212002220 is a wasteful number, since it uses less digits than its factorization.

32212002220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94741209 (or 94741207 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 32212002220 its reverse (2220021223), we get a palindrome (34432023443).

The spelling of 32212002220 in words is "thirty-two billion, two hundred twelve million, two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 94741183 189482366 378964732 473705915 947411830 1610600111 1894823660 3221200222 6442400444 8053000555 16106001110 32212002220