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13331203232220 = 223351929371210939
BaseRepresentation
bin1100000111111110100110…
…1000100001000111011100
31202012110011110210222201000
43001333221220201013130
53221404301011412340
644204134211150300
72544101433542406
oct301775150410734
952173143728630
1013331203232220
11427a805754215
1215b3814ba5390
13759186235833
1434133b303b76
15181b963e7d30
hexc1fe9a211dc

13331203232220 has 384 divisors, whose sum is σ = 46383845760000. Its totient is φ = 3163861306368.

The previous prime is 13331203232219. The next prime is 13331203232273. The reversal of 13331203232220 is 2223230213331.

13331203232220 is a `hidden beast` number, since 1 + 3 + 3 + 3 + 1 + 203 + 232 + 220 = 666.

13331203232220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×133312032322202 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 10403511 + ... + 11614449.

It is an arithmetic number, because the mean of its divisors is an integer number (120791265000).

Almost surely, 213331203232220 is an apocalyptic number.

13331203232220 is a gapful number since it is divisible by the number (10) 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 13331203232220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23191922880000).

13331203232220 is an abundant number, since it is smaller than the sum of its proper divisors (33052642527780).

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

13331203232220 is a wasteful number, since it uses less digits than its factorization.

13331203232220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1211042 (or 1211034 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

Adding to 13331203232220 its reverse (2223230213331), we get a palindrome (15554433445551).

The spelling of 13331203232220 in words is "thirteen trillion, three hundred thirty-one billion, two hundred three million, two hundred thirty-two thousand, two hundred twenty".