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220300320 = 2535458959
BaseRepresentation
bin11010010000110…
…00010000100000
3120100112102020010
431020120100200
5422344102240
633505444520
75313343662
oct1510302040
9510472203
10220300320
11103398989
1261940740
1336844326
1421388532
1514519280
hexd218420

220300320 has 48 divisors (see below), whose sum is σ = 693947520. Its totient is φ = 58746624.

The previous prime is 220300319. The next prime is 220300351. The reversal of 220300320 is 23003022.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 220300296 and 220300305.

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, 229000 + ... + 229959.

It is an arithmetic number, because the mean of its divisors is an integer number (14457240).

Almost surely, 2220300320 is an apocalyptic number.

220300320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220300320 is an abundant number, since it is smaller than the sum of its proper divisors (473647200).

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

220300320 is a wasteful number, since it uses less digits than its factorization.

220300320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458977 (or 458969 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 12.

The square root of 220300320 is about 14842.5173067105. The cubic root of 220300320 is about 603.9556419626.

Adding to 220300320 its reverse (23003022), we get a palindrome (243303342).

The spelling of 220300320 in words is "two hundred twenty million, three hundred thousand, three hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 80 96 120 160 240 480 458959 917918 1376877 1835836 2294795 2753754 3671672 4589590 5507508 6884385 7343344 9179180 11015016 13768770 14686688 18358360 22030032 27537540 36716720 44060064 55075080 73433440 110150160 220300320