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220000222220 = 22561715925189
BaseRepresentation
bin1100110011100100001…
…0001111110000001100
3210000212012020020120112
43030321002033300030
512101030024102340
6245022224135152
721615545014532
oct3147102176014
9700765206515
10220000222220
1185335432179
12367797674b8
1317990a73cac
14a910424152
155ac9236065
hex333908fc0c

220000222220 has 48 divisors (see below), whose sum is σ = 469658481600. Its totient is φ = 86541937920.

The previous prime is 220000222147. The next prime is 220000222229. The reversal of 220000222220 is 22222000022.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 220000222195 and 220000222204.

It is not an unprimeable number, because it can be changed into a prime (220000222229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8721386 + ... + 8746574.

It is an arithmetic number, because the mean of its divisors is an integer number (9784551700).

Almost surely, 2220000222220 is an apocalyptic number.

220000222220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220000222220 is an abundant number, since it is smaller than the sum of its proper divisors (249658259380).

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

220000222220 is a wasteful number, since it uses less digits than its factorization.

220000222220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32418 (or 32416 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

Adding to 220000222220 its reverse (22222000022), we get a palindrome (242222222242).

It can be divided in two parts, 2200002 and 22220, that added together give a palindrome (2222222).

The spelling of 220000222220 in words is "two hundred twenty billion, two hundred twenty-two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 61 122 244 305 610 1220 7159 14318 25189 28636 35795 50378 71590 100756 125945 143180 251890 436699 503780 873398 1536529 1746796 2183495 3073058 4366990 6146116 7682645 8733980 15365290 30730580 180328051 360656102 721312204 901640255 1803280510 3606561020 11000011111 22000022222 44000044444 55000055555 110000111110 220000222220