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10012220220 = 2235166870337
BaseRepresentation
bin10010101001100011…
…00101101100111100
3221211202202111010010
421110301211230330
5131001112021340
64333300343220
7503053316262
oct112461455474
927752674103
1010012220220
114278701272
121b350a4b10
13c373a8782
146ada24432
153d8ec3b80
hex254c65b3c

10012220220 has 24 divisors (see below), whose sum is σ = 28034216784. Its totient is φ = 2669925376.

The previous prime is 10012220209. The next prime is 10012220263. The reversal of 10012220220 is 2202221001.

10012220220 is digitally balanced in base 2, 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 = 10012220196 and 10012220205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83435109 + ... + 83435228.

It is an arithmetic number, because the mean of its divisors is an integer number (1168092366).

Almost surely, 210012220220 is an apocalyptic number.

10012220220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10012220220 is an abundant number, since it is smaller than the sum of its proper divisors (18021996564).

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

10012220220 is a wasteful number, since it uses less digits than its factorization.

10012220220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166870349 (or 166870347 counting only the distinct ones).

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

Adding to 10012220220 its reverse (2202221001), we get a palindrome (12214441221).

The spelling of 10012220220 in words is "ten billion, twelve million, two hundred twenty thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 166870337 333740674 500611011 667481348 834351685 1001222022 1668703370 2002444044 2503055055 3337406740 5006110110 10012220220