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10231120132220 = 22513241892713061
BaseRepresentation
bin1001010011100001111001…
…0001111111100001111100
31100020002022100112110020102
42110320132101333201330
52320111313223212340
633432040043340232
72104113460142621
oct224703621774174
940202270473212
1010231120132220
113294aa2654159
121192a39521678
13592a3791bb00
14275290318348
1512b205502215
hex94e1e47f87c

10231120132220 has 288 divisors, whose sum is σ = 24197264421120. Its totient is φ = 3629463552000.

The previous prime is 10231120132217. The next prime is 10231120132237. The reversal of 10231120132220 is 2223102113201.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 10231120132192 and 10231120132201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3342409490 + ... + 3342412550.

It is an arithmetic number, because the mean of its divisors is an integer number (84018279240).

Almost surely, 210231120132220 is an apocalyptic number.

10231120132220 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 10231120132220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12098632210560).

10231120132220 is an abundant number, since it is smaller than the sum of its proper divisors (13966144288900).

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

10231120132220 is a wasteful number, since it uses less digits than its factorization.

10231120132220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3497 (or 3482 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 10231120132220 its reverse (2223102113201), we get a palindrome (12454222245421).

The spelling of 10231120132220 in words is "ten trillion, two hundred thirty-one billion, one hundred twenty million, one hundred thirty-two thousand, two hundred twenty".