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20210010210220 = 22515150320636449
BaseRepresentation
bin1001001100001100000100…
…11110101011111110101100
32122120001120100201120001211
410212012002132223332230
510122110100103211340
6110552203413444204
74154060615244145
oct446060236537654
978501510646054
1020210010210220
116492020987346
122324a03640664
13b37a4645680c
144dc25399cacc
15250a970335ea
hex1261827abfac

20210010210220 has 96 divisors (see below), whose sum is σ = 42834413260800. Its totient is φ = 8009375462400.

The previous prime is 20210010210217. The next prime is 20210010210319. The reversal of 20210010210220 is 2201201001202.

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 20210010210220.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3133817556 + ... + 3133824004.

It is an arithmetic number, because the mean of its divisors is an integer number (446191804800).

Almost surely, 220210010210220 is an apocalyptic number.

20210010210220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20210010210220 is an abundant number, since it is smaller than the sum of its proper divisors (22624403050580).

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

20210010210220 is a wasteful number, since it uses less digits than its factorization.

20210010210220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9175 (or 9173 counting only the distinct ones).

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

Adding to 20210010210220 its reverse (2201201001202), we get a palindrome (22411211211422).

The spelling of 20210010210220 in words is "twenty trillion, two hundred ten billion, ten million, two hundred ten thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 151 302 503 604 755 1006 1510 2012 2063 2515 3020 4126 5030 6449 8252 10060 10315 12898 20630 25796 32245 41260 64490 75953 128980 151906 303812 311513 379765 623026 759530 973799 1037689 1246052 1519060 1557565 1947598 2075378 3115130 3243847 3895196 4150756 4868995 5188445 6230260 6487694 9737990 10376890 12975388 13304287 16219235 19475980 20753780 26608574 32438470 53217148 64876940 66521435 133042870 156691039 266085740 313382078 489820897 626764156 783455195 979641794 1566910390 1959283588 2008947337 2449104485 3133820780 4017894674 4898208970 6692056361 8035789348 9796417940 10044736685 13384112722 20089473370 26768225444 33460281805 40178946740 66920563610 133841127220 1010500510511 2021001021022 4042002042044 5052502552555 10105005105110 20210010210220