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20325330400000 = 285553479371
BaseRepresentation
bin1001001111100010111000…
…00110010011001100000000
32122222002020020000011210211
410213301130012103030000
510131002234040300000
6111121154453403504
74165312430551033
oct447613406231400
978862206004724
1020325330400000
116526a1914880a
122343228039594
13b45893c2b9c2
14503a7359101a
15253a9622d7ba
hex127c5c193300

20325330400000 has 216 divisors, whose sum is σ = 51667751521008. Its totient is φ = 7976716800000.

The previous prime is 20325330399919. The next prime is 20325330400069. The reversal of 20325330400000 is 403352302.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42160315 + ... + 42639685.

It is an arithmetic number, because the mean of its divisors is an integer number (239202553338).

Almost surely, 220325330400000 is an apocalyptic number.

20325330400000 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 20325330400000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25833875760504).

20325330400000 is an abundant number, since it is smaller than the sum of its proper divisors (31342421121008).

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

20325330400000 is an frugal number, since it uses more digits than its factorization.

20325330400000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479465 (or 479431 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 22.

Adding to 20325330400000 its reverse (403352302), we get a palindrome (20325733752302).

The spelling of 20325330400000 in words is "twenty trillion, three hundred twenty-five billion, three hundred thirty million, four hundred thousand".