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20344210210 = 2529241291089
BaseRepresentation
bin10010111100100111…
…000000001100100010
31221111211012221220001
4102330213000030202
5313131104211320
613202423010214
71320101635132
oct227447001442
957454187801
1020344210210
11869a85a275
123b3929996a
131bc2ab470c
14dadcc6ac2
157e10ae20a
hex4bc9c0322

20344210210 has 32 divisors (see below), whose sum is σ = 38039641200. Its totient is φ = 7824445440.

The previous prime is 20344210189. The next prime is 20344210213. The reversal of 20344210210 is 1201244302.

It can be written as a sum of positive squares in 8 ways, for example, as 4172255649 + 16171954561 = 64593^2 + 127169^2 .

It is not an unprimeable number, because it can be changed into a prime (20344210213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75655 + ... + 215434.

Almost surely, 220344210210 is an apocalyptic number.

20344210210 is a deficient number, since it is larger than the sum of its proper divisors (17695430990).

20344210210 is a wasteful number, since it uses less digits than its factorization.

20344210210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291366.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 20344210210 its reverse (1201244302), we get a palindrome (21545454512).

The spelling of 20344210210 in words is "twenty billion, three hundred forty-four million, two hundred ten thousand, two hundred ten".

Divisors: 1 2 5 10 29 58 145 241 290 482 1205 2410 6989 13978 34945 69890 291089 582178 1455445 2910890 8441581 16883162 42207905 70152449 84415810 140304898 350762245 701524490 2034421021 4068842042 10172105105 20344210210