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2222220202040 = 235173321130087
BaseRepresentation
bin100000010101100110101…
…001010101000000111000
321212102221100100202100102
4200111212221111000320
5242402101332431130
64420512431054532
7316356455025146
oct40254651250070
97772840322312
102222220202040
11787490409723
122ba821071448
13131729213b97
14797ada72596
153cc1207a645
hex20566a55038

2222220202040 has 32 divisors (see below), whose sum is σ = 5028897178080. Its totient is φ = 883749996672.

The previous prime is 2222220202009. The next prime is 2222220202049. The reversal of 2222220202040 is 402020222222.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2222220202049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160558124 + ... + 160571963.

It is an arithmetic number, because the mean of its divisors is an integer number (157153036815).

Almost surely, 22222220202040 is an apocalyptic number.

2222220202040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2222220202040 is an abundant number, since it is smaller than the sum of its proper divisors (2806676976040).

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

2222220202040 is a wasteful number, since it uses less digits than its factorization.

2222220202040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321130271 (or 321130267 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 2222220202040 its reverse (402020222222), we get a palindrome (2624240424262).

The spelling of 2222220202040 in words is "two trillion, two hundred twenty-two billion, two hundred twenty million, two hundred two thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 173 346 692 865 1384 1730 3460 6920 321130087 642260174 1284520348 1605650435 2569040696 3211300870 6422601740 12845203480 55555505051 111111010102 222222020204 277777525255 444444040408 555555050510 1111110101020 2222220202040