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220529020 = 22559186889
BaseRepresentation
bin11010010010100…
…00000101111100
3120100222000221111
431021100011330
5422423412040
633514411404
75315315515
oct1511200574
9510860844
10220529020
11103534798
1261a30b64
13368c445a
1421407a0c
1514561dea
hexd25017c

220529020 has 24 divisors (see below), whose sum is σ = 470962800. Its totient is φ = 86716032.

The previous prime is 220529003. The next prime is 220529027. The reversal of 220529020 is 20925022.

220529020 is digitally balanced in base 3, 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 = 220528982 and 220529000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220529027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92265 + ... + 94624.

It is an arithmetic number, because the mean of its divisors is an integer number (19623450).

Almost surely, 2220529020 is an apocalyptic number.

220529020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220529020 is an abundant number, since it is smaller than the sum of its proper divisors (250433780).

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

220529020 is a wasteful number, since it uses less digits than its factorization.

220529020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186957 (or 186955 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 220529020 is about 14850.2195269969. The cubic root of 220529020 is about 604.1645641676.

The spelling of 220529020 in words is "two hundred twenty million, five hundred twenty-nine thousand, twenty".

Divisors: 1 2 4 5 10 20 59 118 236 295 590 1180 186889 373778 747556 934445 1868890 3737780 11026451 22052902 44105804 55132255 110264510 220529020