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102200201020 = 2255110010051
BaseRepresentation
bin101111100101110011…
…0110100111100111100
3100202210111201010122101
41133023212310330330
53133301222413040
6114541120554444
710245421242511
oct1371346647474
9322714633571
10102200201020
113a385392755
1217982782a24
1398395b1738
144d37351308
1529d249609a
hex17cb9b4f3c

102200201020 has 12 divisors (see below), whose sum is σ = 214620422184. Its totient is φ = 40880080400.

The previous prime is 102200201017. The next prime is 102200201041. The reversal of 102200201020 is 20102002201.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 102200200988 and 102200201006.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2555005006 + ... + 2555005045.

It is an arithmetic number, because the mean of its divisors is an integer number (17885035182).

Almost surely, 2102200201020 is an apocalyptic number.

102200201020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102200201020 is an abundant number, since it is smaller than the sum of its proper divisors (112420221164).

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

102200201020 is a wasteful number, since it uses less digits than its factorization.

102200201020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5110010060 (or 5110010058 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 102200201020 its reverse (20102002201), we get a palindrome (122302203221).

The spelling of 102200201020 in words is "one hundred two billion, two hundred million, two hundred one thousand, twenty".

Divisors: 1 2 4 5 10 20 5110010051 10220020102 20440040204 25550050255 51100100510 102200201020