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20000220201120 = 25351917231127271
BaseRepresentation
bin1001000110000101010100…
…00001010100000010100000
32121211000001201210212210210
410203002222001110002200
510110140422332413440
6110311550241454120
74132653046503435
oct443025201240240
977730051725723
1020000220201120
116411055998435
1222b0215341340
13b21021ac1b63
144d20315bbb8c
1524a3b9380a80
hex1230aa0540a0

20000220201120 has 192 divisors, whose sum is σ = 66320889384960. Its totient is φ = 5052354278400.

The previous prime is 20000220201007. The next prime is 20000220201121. The reversal of 20000220201120 is 2110202200002.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 20000220201096 and 20000220201105.

It is not an unprimeable number, because it can be changed into a prime (20000220201121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 157083085 + ... + 157210355.

It is an arithmetic number, because the mean of its divisors is an integer number (345421298880).

Almost surely, 220000220201120 is an apocalyptic number.

20000220201120 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 20000220201120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33160444692480).

20000220201120 is an abundant number, since it is smaller than the sum of its proper divisors (46320669183840).

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

20000220201120 is a wasteful number, since it uses less digits than its factorization.

20000220201120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144539 (or 144531 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 20000220201120 its reverse (2110202200002), we get a palindrome (22110422401122).

The spelling of 20000220201120 in words is "twenty trillion, two hundred twenty million, two hundred one thousand, one hundred twenty".