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201002211110220 = 223513257695142449
BaseRepresentation
bin101101101100111101111001…
…011001000110110101001100
3222100200121211200122112001120
4231230331321121012311030
5202321210012021011340
61551255050243440540
760223634112225162
oct5554757131066514
9870617750575046
10201002211110220
1159055617067063
121a6636a9986150
138820572679060
14378c7b799b232
1518387de9b94d0
hexb6cf79646d4c

201002211110220 has 48 divisors (see below), whose sum is σ = 606098975042400. Its totient is φ = 49477467350016.

The previous prime is 201002211110209. The next prime is 201002211110243. The reversal of 201002211110220 is 22011112200102.

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

It is a self number, because there is not a number n which added to its sum of digits gives 201002211110220.

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, 128847570445 + ... + 128847572004.

It is an arithmetic number, because the mean of its divisors is an integer number (12627061980050).

Almost surely, 2201002211110220 is an apocalyptic number.

201002211110220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201002211110220 is an abundant number, since it is smaller than the sum of its proper divisors (405096763932180).

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

201002211110220 is a wasteful number, since it uses less digits than its factorization.

201002211110220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257695142474 (or 257695142472 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 201002211110220 its reverse (22011112200102), we get a palindrome (223013323310322).

The spelling of 201002211110220 in words is "two hundred one trillion, two billion, two hundred eleven million, one hundred ten thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 13 15 20 26 30 39 52 60 65 78 130 156 195 260 390 780 257695142449 515390284898 773085427347 1030780569796 1288475712245 1546170854694 2576951424490 3092341709388 3350036851837 3865427136735 5153902848980 6700073703674 7730854273470 10050110555511 13400147407348 15461708546940 16750184259185 20100221111022 33500368518370 40200442222044 50250552777555 67000737036740 100501105555110 201002211110220