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20131300333020 = 2235536330597589
BaseRepresentation
bin1001001001111001011110…
…00000010101010111011100
32122021112101221012111211210
410210330233000111113130
510114312400341124040
6110452105223544420
74145303250314412
oct444745700252734
978245357174753
1020131300333020
116461700241658
1223116b78bb110
13b304b16abc96
144d85082d32b2
1524d9dbe53480
hex124f2f0155dc

20131300333020 has 48 divisors (see below), whose sum is σ = 57431181336480. Its totient is φ = 5267057193216.

The previous prime is 20131300333019. The next prime is 20131300333043. The reversal of 20131300333020 is 2033300313102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3165295615 + ... + 3165301974.

It is an arithmetic number, because the mean of its divisors is an integer number (1196482944510).

Almost surely, 220131300333020 is an apocalyptic number.

20131300333020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20131300333020 is an abundant number, since it is smaller than the sum of its proper divisors (37299881003460).

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

20131300333020 is a wasteful number, since it uses less digits than its factorization.

20131300333020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6330597654 (or 6330597652 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 20131300333020 its reverse (2033300313102), we get a palindrome (22164600646122).

The spelling of 20131300333020 in words is "twenty trillion, one hundred thirty-one billion, three hundred million, three hundred thirty-three thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 53 60 106 159 212 265 318 530 636 795 1060 1590 3180 6330597589 12661195178 18991792767 25322390356 31652987945 37983585534 63305975890 75967171068 94958963835 126611951780 189917927670 335521672217 379835855340 671043344434 1006565016651 1342086688868 1677608361085 2013130033302 3355216722170 4026260066604 5032825083255 6710433444340 10065650166510 20131300333020