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102201022020 = 22351703350367
BaseRepresentation
bin101111100101110100…
…1111101011001000100
3100202210120020211211210
41133023221331121010
53133301430201040
6114541150331420
710245431232216
oct1371351753104
9322716224753
10102201022020
113a3858a3569
1217982ab9b70
13983980b336
144d374c65b6
1529d25a9480
hex17cba7d644

102201022020 has 24 divisors (see below), whose sum is σ = 286162861824. Its totient is φ = 27253605856.

The previous prime is 102201022009. The next prime is 102201022087. The reversal of 102201022020 is 20220102201.

102201022020 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 = 102201021987 and 102201022005.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 851675124 + ... + 851675243.

It is an arithmetic number, because the mean of its divisors is an integer number (11923452576).

Almost surely, 2102201022020 is an apocalyptic number.

102201022020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102201022020 is an abundant number, since it is smaller than the sum of its proper divisors (183961839804).

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

102201022020 is a wasteful number, since it uses less digits than its factorization.

102201022020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1703350379 (or 1703350377 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 102201022020 its reverse (20220102201), we get a palindrome (122421124221).

The spelling of 102201022020 in words is "one hundred two billion, two hundred one million, twenty-two thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 1703350367 3406700734 5110051101 6813401468 8516751835 10220102202 17033503670 20440204404 25550255505 34067007340 51100511010 102201022020