Search a number
-
+
220120110202220 = 22516367521506197
BaseRepresentation
bin110010000011001010110100…
…111110011111110101101100
31001212101021110221122000202022
4302003022310332133311230
5212322421441202432340
62100053441014045312
764236103350245204
oct6203126476376554
91055337427560668
10220120110202220
1164156461765018
1220830903649838
1395a9311533397
143c4dc27ab3404
151a6ac688e83b5
hexc832b4f9fd6c

220120110202220 has 24 divisors (see below), whose sum is σ = 465088134691824. Its totient is φ = 87507872030016.

The previous prime is 220120110202211. The next prime is 220120110202259. The reversal of 220120110202220 is 22202011021022.

It is a happy number.

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, 33760749839 + ... + 33760756358.

It is an arithmetic number, because the mean of its divisors is an integer number (19378672278826).

Almost surely, 2220120110202220 is an apocalyptic number.

220120110202220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220120110202220 is an abundant number, since it is smaller than the sum of its proper divisors (244968024489604).

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

220120110202220 is a wasteful number, since it uses less digits than its factorization.

220120110202220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67521506369 (or 67521506367 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 220120110202220 its reverse (22202011021022), we get a palindrome (242322121223242).

The spelling of 220120110202220 in words is "two hundred twenty trillion, one hundred twenty billion, one hundred ten million, two hundred two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 163 326 652 815 1630 3260 67521506197 135043012394 270086024788 337607530985 675215061970 1350430123940 11006005510111 22012011020222 44024022040444 55030027550555 110060055101110 220120110202220