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20011210210210 = 2541116359419459
BaseRepresentation
bin1001000110011001110010…
…00100110111101110100010
32121212001102122110012002111
410203030321010313232202
510110330424303211320
6110321004551505534
74133522305155322
oct443147104675642
977761378405074
1020011210210210
11641578552197a
1222b23819882aa
13b2208392bb0b
144d279500b282
1524a80e0e9a5a
hex123339137ba2

20011210210210 has 32 divisors (see below), whose sum is σ = 36899124393600. Its totient is φ = 7809167034240.

The previous prime is 20011210210207. The next prime is 20011210210241. The reversal of 20011210210210 is 1201201211002.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47497461 + ... + 47916919.

It is an arithmetic number, because the mean of its divisors is an integer number (1153097637300).

Almost surely, 220011210210210 is an apocalyptic number.

20011210210210 is a deficient number, since it is larger than the sum of its proper divisors (16887914183390).

20011210210210 is a wasteful number, since it uses less digits than its factorization.

20011210210210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535866.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 20011210210210 its reverse (1201201211002), we get a palindrome (21212411421212).

The spelling of 20011210210210 in words is "twenty trillion, eleven billion, two hundred ten million, two hundred ten thousand, two hundred ten".

Divisors: 1 2 5 10 41 82 205 410 116359 232718 419459 581795 838918 1163590 2097295 4194590 4770719 9541438 17197819 23853595 34395638 47707190 85989095 171978190 48807829781 97615659562 244039148905 488078297810 2001121021021 4002242042042 10005605105105 20011210210210