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2120222202220 = 225611737887051
BaseRepresentation
bin11110110110100111000…
…101110101100101101100
321111200122221010111121101
4132312213011311211230
5234214203340432340
64302003332012444
7306116040235243
oct36664705654554
97450587114541
102120222202220
117481aa182801
122a2ab6161124
13124c227aa635
147489551795a
153a242725c9a
hex1eda717596c

2120222202220 has 24 divisors (see below), whose sum is σ = 4525457883408. Its totient is φ = 834185784000.

The previous prime is 2120222202191. The next prime is 2120222202247. The reversal of 2120222202220 is 222022220212.

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, 868942306 + ... + 868944745.

It is an arithmetic number, because the mean of its divisors is an integer number (188560745142).

Almost surely, 22120222202220 is an apocalyptic number.

2120222202220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2120222202220 is an abundant number, since it is smaller than the sum of its proper divisors (2405235681188).

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

2120222202220 is a wasteful number, since it uses less digits than its factorization.

2120222202220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1737887121 (or 1737887119 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 2120222202220 its reverse (222022220212), we get a palindrome (2342244422432).

The spelling of 2120222202220 in words is "two trillion, one hundred twenty billion, two hundred twenty-two million, two hundred two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 61 122 244 305 610 1220 1737887051 3475774102 6951548204 8689435255 17378870510 34757741020 106011110111 212022220222 424044440444 530055550555 1060111101110 2120222202220