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220021201012210 = 251316710134555551
BaseRepresentation
bin110010000001101110101101…
…100001111000010111110010
31001212000211011210112120111121
4302001232231201320113302
5212314311404424342320
62055540202214532454
764226002320065563
oct6201565541702762
91055024153476447
10220021201012210
1164118516037684
12208156bb06712a
13959cbaaa07650
143c4912387c16a
151a683ca32b8aa
hexc81bad8785f2

220021201012210 has 32 divisors (see below), whose sum is σ = 429056543849472. Its totient is φ = 80752138622400.

The previous prime is 220021201012169. The next prime is 220021201012219. The reversal of 220021201012210 is 12210102120022.

It is a happy number.

220021201012210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (220021201012219) 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, 5067256066 + ... + 5067299485.

It is an arithmetic number, because the mean of its divisors is an integer number (13408016995296).

Almost surely, 2220021201012210 is an apocalyptic number.

220021201012210 is a deficient number, since it is larger than the sum of its proper divisors (209035342837262).

220021201012210 is a wasteful number, since it uses less digits than its factorization.

220021201012210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10134555738.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 220021201012210 its reverse (12210102120022), we get a palindrome (232231303132232).

The spelling of 220021201012210 in words is "two hundred twenty trillion, twenty-one billion, two hundred one million, twelve thousand, two hundred ten".

Divisors: 1 2 5 10 13 26 65 130 167 334 835 1670 2171 4342 10855 21710 10134555551 20269111102 50672777755 101345555510 131749222163 263498444326 658746110815 1317492221630 1692470777017 3384941554034 8462353885085 16924707770170 22002120101221 44004240202442 110010600506105 220021201012210