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220232222240 = 2552947463841
BaseRepresentation
bin1100110100011011011…
…1010000011000100000
3210001110100210001202212
43031012313100120200
512102013422102430
6245101232501252
721624363000452
oct3150667203040
9701410701685
10220232222240
1185444391228
12368233aa828
13179c9b53704
14a9331762d2
155ade7b1b95
hex3346dd0620

220232222240 has 48 divisors (see below), whose sum is σ = 538239968280. Its totient is φ = 85055201280.

The previous prime is 220232222213. The next prime is 220232222263. The reversal of 220232222240 is 42222232022.

It can be written as a sum of positive squares in 4 ways, for example, as 206446644496 + 13785577744 = 454364^2 + 117412^2 .

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, 23727281 + ... + 23736560.

Almost surely, 2220232222240 is an apocalyptic number.

220232222240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220232222240 is an abundant number, since it is smaller than the sum of its proper divisors (318007746040).

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

220232222240 is a wasteful number, since it uses less digits than its factorization.

220232222240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47463885 (or 47463877 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 23.

Adding to 220232222240 its reverse (42222232022), we get a palindrome (262454454262).

The spelling of 220232222240 in words is "two hundred twenty billion, two hundred thirty-two million, two hundred twenty-two thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 29 32 40 58 80 116 145 160 232 290 464 580 928 1160 2320 4640 47463841 94927682 189855364 237319205 379710728 474638410 759421456 949276820 1376451389 1518842912 1898553640 2752902778 3797107280 5505805556 6882256945 7594214560 11011611112 13764513890 22023222224 27529027780 44046444448 55058055560 110116111120 220232222240