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20057320243200 = 21435289241761
BaseRepresentation
bin1001000111101111101010…
…11100101100000000000000
32122000110110010121120011010
410203313311130230000000
510112104342440240300
6110354112233520520
74140044044034352
oct443676534540000
978013403546133
1020057320243200
116433297425159
1222bb2abb73140
13b265217c44c6
144d4acac6b0d2
1524bb0c201a50
hex123df572c000

20057320243200 has 720 divisors, whose sum is σ = 67432803086880. Its totient is φ = 5259657216000.

The previous prime is 20057320243193. The next prime is 20057320243291. The reversal of 20057320243200 is 234202375002.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 26356530820 + ... + 26356531580.

It is an arithmetic number, because the mean of its divisors is an integer number (93656670954).

Almost surely, 220057320243200 is an apocalyptic number.

20057320243200 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 20057320243200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33716401543440).

20057320243200 is an abundant number, since it is smaller than the sum of its proper divisors (47375482843680).

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

20057320243200 is an equidigital number, since it uses as much as digits as its factorization.

20057320243200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1132 (or 1101 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 30.

The spelling of 20057320243200 in words is "twenty trillion, fifty-seven billion, three hundred twenty million, two hundred forty-three thousand, two hundred".