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2220340120320 = 28357215775161
BaseRepresentation
bin100000010011110110100…
…101011000101100000000
321212021002022122201002010
4200103312211120230000
5242334224032322240
64420002110252520
7316262045424300
oct40236645305400
97767068581063
102220340120320
11786706128483
122ba3974b7140
131314b98654aa
14796720b1600
153cb51ea4280
hex204f6958b00

2220340120320 has 432 divisors, whose sum is σ = 8301611632608. Its totient is φ = 504267079680.

The previous prime is 2220340120283. The next prime is 2220340120357. The reversal of 2220340120320 is 230210430222.

It is an interprime number because it is at equal distance from previous prime (2220340120283) and next prime (2220340120357).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 29503540 + ... + 29578700.

It is an arithmetic number, because the mean of its divisors is an integer number (19216693594).

Almost surely, 22220340120320 is an apocalyptic number.

2220340120320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2220340120320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4150805816304).

2220340120320 is an abundant number, since it is smaller than the sum of its proper divisors (6081271512288).

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

2220340120320 is a wasteful number, since it uses less digits than its factorization.

2220340120320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75356 (or 75335 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 2220340120320 its reverse (230210430222), we get a palindrome (2450550550542).

The spelling of 2220340120320 in words is "two trillion, two hundred twenty billion, three hundred forty million, one hundred twenty thousand, three hundred twenty".