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20102322030 = 2357213675049
BaseRepresentation
bin10010101110001100…
…010001011101101110
31220212222001202200120
4102232030101131232
5312132143301110
613122422305410
71311103626600
oct225614213556
956788052616
1020102322030
11858626708a
123a90288266
131b8495230b
14d89b1d170
157c9c2d870
hex4ae31176e

20102322030 has 48 divisors (see below), whose sum is σ = 56122405200. Its totient is φ = 4594816128.

The previous prime is 20102322029. The next prime is 20102322041. The reversal of 20102322030 is 3022320102.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6836055 + ... + 6838994.

It is an arithmetic number, because the mean of its divisors is an integer number (1169216775).

Almost surely, 220102322030 is an apocalyptic number.

20102322030 is an abundant number, since it is smaller than the sum of its proper divisors (36020083170).

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

20102322030 is a wasteful number, since it uses less digits than its factorization.

20102322030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13675073 (or 13675066 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 20102322030 its reverse (3022320102), we get a palindrome (23124642132).

The spelling of 20102322030 in words is "twenty billion, one hundred two million, three hundred twenty-two thousand, thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 49 70 98 105 147 210 245 294 490 735 1470 13675049 27350098 41025147 68375245 82050294 95725343 136750490 191450686 205125735 287176029 410251470 478626715 574352058 670077401 957253430 1340154802 1435880145 2010232203 2871760290 3350387005 4020464406 6700774010 10051161015 20102322030