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2202120202220 = 225110106010111
BaseRepresentation
bin100000000010111000100…
…101111010011111101100
321210112001112122222010122
4200002320211322133230
5242034420232432340
64403350130224112
7315045406606451
oct40027045723754
97715045588118
102202120202220
11779a06499324
122b6951725038
1312c874bc5873
1478824399828
153c437659db5
hex200b897a7ec

2202120202220 has 12 divisors (see below), whose sum is σ = 4624452424704. Its totient is φ = 880848080880.

The previous prime is 2202120202213. The next prime is 2202120202229. The reversal of 2202120202220 is 222020212022.

It is not an unprimeable number, because it can be changed into a prime (2202120202229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55053005036 + ... + 55053005075.

It is an arithmetic number, because the mean of its divisors is an integer number (385371035392).

Almost surely, 22202120202220 is an apocalyptic number.

2202120202220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2202120202220 is an abundant number, since it is smaller than the sum of its proper divisors (2422332222484).

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

2202120202220 is a wasteful number, since it uses less digits than its factorization.

2202120202220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110106010120 (or 110106010118 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 2202120202220 its reverse (222020212022), we get a palindrome (2424140414242).

The spelling of 2202120202220 in words is "two trillion, two hundred two billion, one hundred twenty million, two hundred two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 110106010111 220212020222 440424040444 550530050555 1101060101110 2202120202220