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210102330220 = 22519552900869
BaseRepresentation
bin1100001110101100010…
…0110010001101101100
3202002022101121020021221
43003223010302031230
511420242144031340
6240304130033124
721115350224536
oct3035304621554
9662271536257
10210102330220
1181116319442
1234876a187a4
1316a74287973
14a251a80856
1556ea2e744a
hex30eb13236c

210102330220 has 24 divisors (see below), whose sum is σ = 464436730800. Its totient is φ = 79617724992.

The previous prime is 210102330169. The next prime is 210102330227. The reversal of 210102330220 is 22033201012.

It is a junction number, because it is equal to n+sod(n) for n = 210102330194 and 210102330203.

It is not an unprimeable number, because it can be changed into a prime (210102330227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 276450055 + ... + 276450814.

It is an arithmetic number, because the mean of its divisors is an integer number (19351530450).

Almost surely, 2210102330220 is an apocalyptic number.

210102330220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210102330220 is an abundant number, since it is smaller than the sum of its proper divisors (254334400580).

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

210102330220 is a wasteful number, since it uses less digits than its factorization.

210102330220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552900897 (or 552900895 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 210102330220 its reverse (22033201012), we get a palindrome (232135531232).

The spelling of 210102330220 in words is "two hundred ten billion, one hundred two million, three hundred thirty thousand, two hundred twenty".

Divisors: 1 2 4 5 10 19 20 38 76 95 190 380 552900869 1105801738 2211603476 2764504345 5529008690 10505116511 11058017380 21010233022 42020466044 52525582555 105051165110 210102330220