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10101022210020 = 22357172767511279
BaseRepresentation
bin1001001011111101001111…
…0101110011011111100100
31022202122111121100020121110
42102333103311303133210
52310443343141210040
633252202345345020
72061526514066040
oct222772365633744
938678447306543
1010101022210020
113244901782695
12117178ba98170
135836a3680461
1426cc6bc3d020
15127b3dc99980
hex92fd3d737e4

10101022210020 has 192 divisors, whose sum is σ = 34237075783680. Its totient is φ = 2172203440128.

The previous prime is 10101022210009. The next prime is 10101022210033. The reversal of 10101022210020 is 2001222010101.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 10101022209978 and 10101022210005.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 19500741 + ... + 20012019.

It is an arithmetic number, because the mean of its divisors is an integer number (178318103040).

Almost surely, 210101022210020 is an apocalyptic number.

10101022210020 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 10101022210020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17118537891840).

10101022210020 is an abundant number, since it is smaller than the sum of its proper divisors (24136053573660).

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

10101022210020 is a wasteful number, since it uses less digits than its factorization.

10101022210020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514082 (or 514080 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 10101022210020 its reverse (2001222010101), we get a palindrome (12102244220121).

The spelling of 10101022210020 in words is "ten trillion, one hundred one billion, twenty-two million, two hundred ten thousand, twenty".