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220220000220 = 2235111719627451
BaseRepresentation
bin1100110100011000100…
…0101000011111011100
3210001102111210010022110
43031012020220133130
512102002310001340
6245100114514020
721624154054653
oct3150610503734
9701374703273
10220220000220
11854384a3690
123681b295910
13179c746464c
14a9316b419a
155add69a680
hex33462287dc

220220000220 has 96 divisors (see below), whose sum is σ = 712240978176. Its totient is φ = 50246272000.

The previous prime is 220220000183. The next prime is 220220000227. The reversal of 220220000220 is 22000022022.

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 = 220220000196 and 220220000205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220220000227) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9802506 + ... + 9824945.

It is an arithmetic number, because the mean of its divisors is an integer number (7419176856).

Almost surely, 2220220000220 is an apocalyptic number.

220220000220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220220000220 is an abundant number, since it is smaller than the sum of its proper divisors (492020977956).

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

220220000220 is a wasteful number, since it uses less digits than its factorization.

220220000220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19627491 (or 19627489 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 12.

Adding to 220220000220 its reverse (22000022022), we get a palindrome (242220022242).

The spelling of 220220000220 in words is "two hundred twenty billion, two hundred twenty million, two hundred twenty", and thus it is an aban number.

Divisors: 1 2 3 4 5 6 10 11 12 15 17 20 22 30 33 34 44 51 55 60 66 68 85 102 110 132 165 170 187 204 220 255 330 340 374 510 561 660 748 935 1020 1122 1870 2244 2805 3740 5610 11220 19627451 39254902 58882353 78509804 98137255 117764706 196274510 215901961 235529412 294411765 333666667 392549020 431803922 588823530 647705883 667333334 863607844 1001000001 1079509805 1177647060 1295411766 1334666668 1668333335 2002000002 2159019610 2590823532 3238529415 3336666670 3670333337 4004000004 4318039220 5005000005 6477058830 6673333340 7340666674 10010000010 11011000011 12954117660 14681333348 18351666685 20020000020 22022000022 36703333370 44044000044 55055000055 73406666740 110110000110 220220000220