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20222312311200 = 25352311272140199
BaseRepresentation
bin1001001100100010111111…
…01111011110100110100000
32122121020022201022001001110
410212101133233132212200
510122310243422424300
6111002000234303320
74155004515340566
oct446213757364640
978536281261043
1020222312311200
11649726411794a
122327277587b40
13b38c570734cc
144dca9d779a36
1525106707a550
hex12645fbde9a0

20222312311200 has 288 divisors, whose sum is σ = 68482016870400. Its totient is φ = 5177567001600.

The previous prime is 20222312311193. The next prime is 20222312311211. The reversal of 20222312311200 is 211321322202.

It is a super-2 number, since 2×202223123112002 (a number of 27 digits) contains 22 as substring.

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, 8378701 + ... + 10518899.

It is an arithmetic number, because the mean of its divisors is an integer number (237784780800).

Almost surely, 220222312311200 is an apocalyptic number.

20222312311200 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 20222312311200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34241008435200).

20222312311200 is an abundant number, since it is smaller than the sum of its proper divisors (48259704559200).

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

20222312311200 is a wasteful number, since it uses less digits than its factorization.

20222312311200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2140380 (or 2140367 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 20222312311200 its reverse (211321322202), we get a palindrome (20433633633402).

The spelling of 20222312311200 in words is "twenty trillion, two hundred twenty-two billion, three hundred twelve million, three hundred eleven thousand, two hundred".