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10220103220 = 225511005161
BaseRepresentation
bin10011000010010101…
…00110011000110100
3222101020221000222111
421201022212120310
5131412321300340
64410044140404
7511156305205
oct114112463064
928336830874
1010220103220
114374a888a8
121b92837704
13c6b492b72
146cd4995ac
153ec388aea
hex2612a6634

10220103220 has 12 divisors (see below), whose sum is σ = 21462216804. Its totient is φ = 4088041280.

The previous prime is 10220103167. The next prime is 10220103239. The reversal of 10220103220 is 2230102201.

It can be written as a sum of positive squares in 2 ways, for example, as 1520064144 + 8700039076 = 38988^2 + 93274^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 10220103220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 255502561 + ... + 255502600.

It is an arithmetic number, because the mean of its divisors is an integer number (1788518067).

Almost surely, 210220103220 is an apocalyptic number.

10220103220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10220103220 is an abundant number, since it is smaller than the sum of its proper divisors (11242113584).

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

10220103220 is a wasteful number, since it uses less digits than its factorization.

10220103220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511005170 (or 511005168 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 10220103220 its reverse (2230102201), we get a palindrome (12450205421).

The spelling of 10220103220 in words is "ten billion, two hundred twenty million, one hundred three thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 511005161 1022010322 2044020644 2555025805 5110051610 10220103220