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210001002120220 = 225611671030730353
BaseRepresentation
bin101111101111111010101011…
…001000100100010000011100
31000112112220021220112021220111
4233233322223020210100130
5210011124023020321340
62022345043433255404
762143033412603323
oct5757725310442034
91015486256467814
10210001002120220
1160a04a19a890a3
121b677726864564
139024017c1763c
1439c0161c930ba
15194291be81aea
hexbefeab22441c

210001002120220 has 48 divisors (see below), whose sum is σ = 450915669425088. Its totient is φ = 82128594447360.

The previous prime is 210001002120211. The next prime is 210001002120227. The reversal of 210001002120220 is 22021200100012.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 210001002120220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210001002120227) 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, 515161437 + ... + 515568916.

It is an arithmetic number, because the mean of its divisors is an integer number (9394076446356).

Almost surely, 2210001002120220 is an apocalyptic number.

210001002120220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210001002120220 is an abundant number, since it is smaller than the sum of its proper divisors (240914667304868).

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

210001002120220 is a wasteful number, since it uses less digits than its factorization.

210001002120220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1030730590 (or 1030730588 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 210001002120220 its reverse (22021200100012), we get a palindrome (232022202220232).

The spelling of 210001002120220 in words is "two hundred ten trillion, one billion, two million, one hundred twenty thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 61 122 167 244 305 334 610 668 835 1220 1670 3340 10187 20374 40748 50935 101870 203740 1030730353 2061460706 4122921412 5153651765 10307303530 20614607060 62874551533 125749103066 172131968951 251498206132 314372757665 344263937902 628745515330 688527875804 860659844755 1257491030660 1721319689510 3442639379020 10500050106011 21000100212022 42000200424044 52500250530055 105000501060110 210001002120220