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220424044220 = 22518715890541
BaseRepresentation
bin1100110101001001001…
…0111111111010111100
3210001221201201122001122
43031102102333322330
512102412023403340
6245132244130112
721632212314302
oct3152222777274
9701851648048
10220424044220
1185532698996
1236877696938
1317a2a806543
14a95082a272
155b01552db5
hex33524bfebc

220424044220 has 24 divisors (see below), whose sum is σ = 463137974208. Its totient is φ = 88122478400.

The previous prime is 220424044201. The next prime is 220424044229. The reversal of 220424044220 is 22440424022.

It is a self number, because there is not a number n which added to its sum of digits gives 220424044220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220424044229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2907851 + ... + 2982690.

It is an arithmetic number, because the mean of its divisors is an integer number (19297415592).

Almost surely, 2220424044220 is an apocalyptic number.

220424044220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220424044220 is an abundant number, since it is smaller than the sum of its proper divisors (242713929988).

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

220424044220 is a wasteful number, since it uses less digits than its factorization.

220424044220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5892421 (or 5892419 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 220424044220 its reverse (22440424022), we get a palindrome (242864468242).

The spelling of 220424044220 in words is "two hundred twenty billion, four hundred twenty-four million, forty-four thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 1871 3742 7484 9355 18710 37420 5890541 11781082 23562164 29452705 58905410 117810820 11021202211 22042404422 44084808844 55106011055 110212022110 220424044220