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10200201121020 = 223519611271154969
BaseRepresentation
bin1001010001101110101101…
…0111010100110011111100
31100010010111112221221111110
42110123223113110303330
52314110002441333040
633405524021522020
72101640330655051
oct224335327246374
940103445857443
1010200201121020
113282976683439
121188a4a873310
1358cb4b035001
14273999c05028
1512a4e5d93980
hex946eb5d4cfc

10200201121020 has 192 divisors, whose sum is σ = 30797228851200. Its totient is φ = 2514688727040.

The previous prime is 10200201120971. The next prime is 10200201121027. The reversal of 10200201121020 is 2012110200201.

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 = 10200201120987 and 10200201121005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10200201121027) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8254096 + ... + 9409064.

It is an arithmetic number, because the mean of its divisors is an integer number (160402233600).

Almost surely, 210200201121020 is an apocalyptic number.

10200201121020 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 10200201121020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15398614425600).

10200201121020 is an abundant number, since it is smaller than the sum of its proper divisors (20597027730180).

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

10200201121020 is a wasteful number, since it uses less digits than its factorization.

10200201121020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1155188 (or 1155186 counting only the distinct ones).

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

Adding to 10200201121020 its reverse (2012110200201), we get a palindrome (12212311321221).

The spelling of 10200201121020 in words is "ten trillion, two hundred billion, two hundred one million, one hundred twenty-one thousand, twenty".