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2220102120220 = 2252346791031483
BaseRepresentation
bin100000010011101000011…
…001011111001100011100
321212020110201211001022121
4200103220121133030130
5242333232120321340
64415522325152324
7316253125441405
oct40235031371434
97766421731277
102220102120220
117865a3850486
122ba32b85b6a4
1313147c464a2a
147964c63a9ac
153cb3b14094a
hex204e865f31c

2220102120220 has 48 divisors (see below), whose sum is σ = 4865963880960. Its totient is φ = 849248012096.

The previous prime is 2220102120217. The next prime is 2220102120317. The reversal of 2220102120220 is 220212010222.

It is a junction number, because it is equal to n+sod(n) for n = 2220102120194 and 2220102120203.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1636599 + ... + 2668081.

It is an arithmetic number, because the mean of its divisors is an integer number (101374247520).

Almost surely, 22220102120220 is an apocalyptic number.

2220102120220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2220102120220 is an abundant number, since it is smaller than the sum of its proper divisors (2645861760740).

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

2220102120220 is a wasteful number, since it uses less digits than its factorization.

2220102120220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1036194 (or 1036192 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 2220102120220 its reverse (220212010222), we get a palindrome (2440314130442).

The spelling of 2220102120220 in words is "two trillion, two hundred twenty billion, one hundred two million, one hundred twenty thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 23 46 92 115 230 460 4679 9358 18716 23395 46790 93580 107617 215234 430468 538085 1031483 1076170 2062966 2152340 4125932 5157415 10314830 20629660 23724109 47448218 94896436 118620545 237241090 474482180 4826308957 9652617914 19305235828 24131544785 48263089570 96526179140 111005106011 222010212022 444020424044 555025530055 1110051060110 2220102120220