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220020222100000 = 255572213142031
BaseRepresentation
bin110010000001101101110011…
…001011101000001000100000
31001212000201122120112200101211
4302001231303023220020200
5212314302403324200000
62055535521125235504
764225636132344250
oct6201556313501040
91055021576480354
10220020222100000
1164118063507423
1220815487262b94
13959ca82c71a5a
143c4906d85d960
151a6836e4137ba
hexc81b732e8220

220020222100000 has 288 divisors, whose sum is σ = 619051235185152. Its totient is φ = 75400886400000.

The previous prime is 220020222099991. The next prime is 220020222100013. The reversal of 220020222100000 is 1222020022.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1549028985 + ... + 1549171015.

It is an arithmetic number, because the mean of its divisors is an integer number (2149483455504).

Almost surely, 2220020222100000 is an apocalyptic number.

220020222100000 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 220020222100000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (309525617592576).

220020222100000 is an abundant number, since it is smaller than the sum of its proper divisors (399031013085152).

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

220020222100000 is an equidigital number, since it uses as much as digits as its factorization.

220020222100000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144286 (or 144258 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 220020222100000 its reverse (1222020022), we get a palindrome (220021444120022).

The spelling of 220020222100000 in words is "two hundred twenty trillion, twenty billion, two hundred twenty-two million, one hundred thousand".