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20055404354260 = 2251191160928883
BaseRepresentation
bin1001000111101100000110…
…10000001001101011010100
32122000021111121112022121111
410203312003100021223110
510112041432003314020
6110353154153424404
74136645421200332
oct443660320115324
978007447468544
1020055404354260
1164324a3a07470
1222baa5640b104
13b262a78b9802
144d4988628b52
1524ba48e05d5a
hex123d83409ad4

20055404354260 has 24 divisors (see below), whose sum is σ = 45945108157536. Its totient is φ = 7292874310560.

The previous prime is 20055404354239. The next prime is 20055404354261. The reversal of 20055404354260 is 6245340455002.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20055404354261) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 45580464222 + ... + 45580464661.

It is an arithmetic number, because the mean of its divisors is an integer number (1914379506564).

Almost surely, 220055404354260 is an apocalyptic number.

20055404354260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20055404354260 is an abundant number, since it is smaller than the sum of its proper divisors (25889703803276).

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

20055404354260 is a wasteful number, since it uses less digits than its factorization.

20055404354260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91160928903 (or 91160928901 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 40.

The spelling of 20055404354260 in words is "twenty trillion, fifty-five billion, four hundred four million, three hundred fifty-four thousand, two hundred sixty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 91160928883 182321857766 364643715532 455804644415 911609288830 1002770217713 1823218577660 2005540435426 4011080870852 5013851088565 10027702177130 20055404354260