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220222002220 = 225112897345533
BaseRepresentation
bin1100110100011001000…
…0010001010000101100
3210001102122112211112121
43031012100101100230
512102003313032340
6245100225442324
721624210063463
oct3150620212054
9701378484477
10220222002220
1185439640830
123681baa03a4
13179c79b596c
14a931a759da
155add94394a
hex334641142c

220222002220 has 48 divisors (see below), whose sum is σ = 504684196128. Its totient is φ = 80052853760.

The previous prime is 220222002149. The next prime is 220222002223. The reversal of 220222002220 is 22200222022.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 220222002194 and 220222002203.

It is not an unprimeable number, because it can be changed into a prime (220222002223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 464574 + ... + 810106.

It is an arithmetic number, because the mean of its divisors is an integer number (10514254086).

Almost surely, 2220222002220 is an apocalyptic number.

220222002220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220222002220 is an abundant number, since it is smaller than the sum of its proper divisors (284462193908).

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

220222002220 is a wasteful number, since it uses less digits than its factorization.

220222002220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348450 (or 348448 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

Adding to 220222002220 its reverse (22200222022), we get a palindrome (242422224242).

The spelling of 220222002220 in words is "two hundred twenty billion, two hundred twenty-two million, two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 2897 5794 11588 14485 28970 31867 57940 63734 127468 159335 318670 345533 637340 691066 1382132 1727665 3455330 3800863 6910660 7601726 15203452 19004315 38008630 76017260 1001009101 2002018202 4004036404 5005045505 10010091010 11011100111 20020182020 22022200222 44044400444 55055500555 110111001110 220222002220