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102200200020 = 223255973241547
BaseRepresentation
bin101111100101110011…
…0110100101101010100
3100202210111201002021100
41133023212310231110
53133301222400040
6114541120550100
710245421236552
oct1371346645524
9322714632240
10102200200020
113a385391a26
1217982782330
1398395b1149
144d37350bd2
1529d2495b30
hex17cb9b4b54

102200200020 has 288 divisors, whose sum is σ = 321493011840. Its totient is φ = 26266705920.

The previous prime is 102200200001. The next prime is 102200200049. The reversal of 102200200020 is 20002002201.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 102200199975 and 102200200011.

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, 186837387 + ... + 186837933.

It is an arithmetic number, because the mean of its divisors is an integer number (1116295180).

Almost surely, 2102200200020 is an apocalyptic number.

102200200020 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 102200200020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160746505920).

102200200020 is an abundant number, since it is smaller than the sum of its proper divisors (219292811820).

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

102200200020 is a wasteful number, since it uses less digits than its factorization.

102200200020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 935 (or 930 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

Adding to 102200200020 its reverse (20002002201), we get a palindrome (122202202221).

The spelling of 102200200020 in words is "one hundred two billion, two hundred million, two hundred thousand, twenty".