Search a number
-
+
220220002220 = 22529379689659
BaseRepresentation
bin1100110100011000100…
…0101000111110101100
3210001102111210020001112
43031012020220332230
512102002310032340
6245100114531152
721624154063541
oct3150610507654
9701374706045
10220220002220
11854384a5139
123681b296ab8
13179c746552a
14a9316b4bc8
155add69b065
hex3346228fac

220220002220 has 24 divisors (see below), whose sum is σ = 478408971600. Its totient is φ = 85050483392.

The previous prime is 220220002199. The next prime is 220220002253. The reversal of 220220002220 is 22200022022.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 220220002195 and 220220002204.

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, 189844250 + ... + 189845409.

It is an arithmetic number, because the mean of its divisors is an integer number (19933707150).

Almost surely, 2220220002220 is an apocalyptic number.

220220002220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220220002220 is an abundant number, since it is smaller than the sum of its proper divisors (258188969380).

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

220220002220 is a wasteful number, since it uses less digits than its factorization.

220220002220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379689697 (or 379689695 counting only the distinct ones).

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

Adding to 220220002220 its reverse (22200022022), we get a palindrome (242420024242).

The spelling of 220220002220 in words is "two hundred twenty billion, two hundred twenty million, two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 29 58 116 145 290 580 379689659 759379318 1518758636 1898448295 3796896590 7593793180 11011000111 22022000222 44044000444 55055000555 110110001110 220220002220