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212202200323020 = 22352383107106116319
BaseRepresentation
bin110000001111111100101100…
…110001010101001111001100
31000211100022222012021211121110
4300033330230301111033030
5210303210101240314040
62031152202310132020
762461050225610125
oct6017745461251714
91024308865254543
10212202200323020
11616834a1a89626
121b97225b651010
139153773ab32cb
143a588d9a0704c
15197eced6b6980
hexc0ff2cc553cc

212202200323020 has 384 divisors, whose sum is σ = 633969312399360. Its totient is φ = 52921869214720.

The previous prime is 212202200323007. The next prime is 212202200323021. The reversal of 212202200323020 is 20323002202212.

It is a super-2 number, since 2×2122022003230202 (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (212202200323021) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 13003374421 + ... + 13003390739.

It is an arithmetic number, because the mean of its divisors is an integer number (1650961751040).

Almost surely, 2212202200323020 is an apocalyptic number.

212202200323020 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 212202200323020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (316984656199680).

212202200323020 is an abundant number, since it is smaller than the sum of its proper divisors (421767112076340).

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

212202200323020 is a wasteful number, since it uses less digits than its factorization.

212202200323020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17605 (or 17603 counting only the distinct ones).

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

Adding to 212202200323020 its reverse (20323002202212), we get a palindrome (232525202525232).

The spelling of 212202200323020 in words is "two hundred twelve trillion, two hundred two billion, two hundred million, three hundred twenty-three thousand, twenty".