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2220323323220 = 225131984166919
BaseRepresentation
bin100000010011110101100…
…101010011110101010100
321212021001011001022210022
4200103311211103311110
5242334210232320340
64420000310244312
7316261452565202
oct40236545236524
97767034038708
102220323323220
117866a76a5582
122ba391956698
131314b6233b92
147966db7c072
153cb507873b5
hex204f5953d54

2220323323220 has 24 divisors (see below), whose sum is σ = 4666214044800. Its totient is φ = 887455983392.

The previous prime is 2220323323213. The next prime is 2220323323259. The reversal of 2220323323220 is 223233230222.

It is a self number, because there is not a number n which added to its sum of digits gives 2220323323220.

It is a congruent 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, 42057080 + ... + 42109839.

It is an arithmetic number, because the mean of its divisors is an integer number (194425585200).

Almost surely, 22220323323220 is an apocalyptic number.

2220323323220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2220323323220 is an abundant number, since it is smaller than the sum of its proper divisors (2445890721580).

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

2220323323220 is a wasteful number, since it uses less digits than its factorization.

2220323323220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84168247 (or 84168245 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 26.

Adding to 2220323323220 its reverse (223233230222), we get a palindrome (2443556553442).

The spelling of 2220323323220 in words is "two trillion, two hundred twenty billion, three hundred twenty-three million, three hundred twenty-three thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 1319 2638 5276 6595 13190 26380 84166919 168333838 336667676 420834595 841669190 1683338380 111016166161 222032332322 444064664644 555080830805 1110161661610 2220323323220