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20330130340212 = 223721123791729877
BaseRepresentation
bin1001001111101011110100…
…01100100111100101110100
32122222112121201221101221020
410213311322030213211310
510131042101331341322
6111123311041021140
74165542403431600
oct447657214474564
978875551841836
1020330130340212
116528a61631950
1223441476247b0
13b4617a4b2004
14503daac56500
15253c7781805c
hex127d7a327974

20330130340212 has 288 divisors, whose sum is σ = 63610797035520. Its totient is φ = 4987024922880.

The previous prime is 20330130340211. The next prime is 20330130340217. The reversal of 20330130340212 is 21204303103302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20330130340211) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 10887418 + ... + 12617294.

It is an arithmetic number, because the mean of its divisors is an integer number (220870823040).

Almost surely, 220330130340212 is an apocalyptic number.

20330130340212 is a gapful number since it is divisible by the number (22) 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 20330130340212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31805398517760).

20330130340212 is an abundant number, since it is smaller than the sum of its proper divisors (43280666695308).

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

20330130340212 is a wasteful number, since it uses less digits than its factorization.

20330130340212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1730011 (or 1730002 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 20330130340212 its reverse (21204303103302), we get a palindrome (41534433443514).

The spelling of 20330130340212 in words is "twenty trillion, three hundred thirty billion, one hundred thirty million, three hundred forty thousand, two hundred twelve".